https://embryology.med.unsw.edu.au/embryology/index.php?title=Carnegie_stage_19&feed=atom&action=history
Carnegie stage 19 - Revision history
2024-03-29T09:32:00Z
Revision history for this page on the wiki
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https://embryology.med.unsw.edu.au/embryology/index.php?title=Carnegie_stage_19&diff=421029&oldid=prev
Z8600021: /* Events */
2022-02-26T06:49:01Z
<p><span dir="auto"><span class="autocomment">Events</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:49, 26 February 2022</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l153">Line 153:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Vision}}''' - (stage 19 -22) the eyelid folds develop into the eyelids and cover more of the eye as the palpebral fissure takes shape. The upper and the lower eyelids meet at the outer canthus in Stage 19.<ref name=“Pearson1980”>{{Ref-Pearson1980}}</ref> </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Vision}}''' - (stage 19 -22) the eyelid folds develop into the eyelids and cover more of the eye as the palpebral fissure takes shape. The upper and the lower eyelids meet at the outer canthus in Stage 19.<ref name=“Pearson1980”>{{Ref-Pearson1980}}</ref> </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Hearing}}''' - otic capsule now cartilaginous. Cochlea tip becomes curled. Malleus and incus present.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Hearing}}''' - otic capsule now cartilaginous. Cochlea tip becomes curled. Malleus and incus present.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* '''{{smell}}''' - individualization of the olfactory bulb and nuclei. The distinction between olfactory structures and terminal and vomeronasal ones begins to be clear. <ref name=PMID7469043>{{Ref-PMID7469043}}</ref> [[Paper_-_Development_of_olfactory_and_related_structures_in_staged_human_embryos#Carnegie_Stages|Stages Description]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''{{smell}}''' - individualization of the olfactory bulb and nuclei. The distinction between olfactory structures and terminal and vomeronasal ones begins to be clear. <ref name=PMID7469043>{{Ref-PMID7469043}}</ref> [[Paper_-_Development_of_olfactory_and_related_structures_in_staged_human_embryos#Carnegie_Stages|Stages Description<ins style="font-weight: bold; text-decoration: none;">]] | [[Paper_-_The_development_of_the_olfactory_and_the_accessory_olfactory_formations_in_human_embryos_and_fetuses#16_mm_embryo_.287_weeks.29|primitive olfactory bulb</ins>]]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Cardiovascular System Development|'''Cardiovascular''']] </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Cardiovascular System Development|'''Cardiovascular''']] </div></td></tr>
</table>
Z8600021
https://embryology.med.unsw.edu.au/embryology/index.php?title=Carnegie_stage_19&diff=421009&oldid=prev
Z8600021: /* Events */
2022-02-26T06:33:23Z
<p><span dir="auto"><span class="autocomment">Events</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:33, 26 February 2022</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l153">Line 153:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Vision}}''' - (stage 19 -22) the eyelid folds develop into the eyelids and cover more of the eye as the palpebral fissure takes shape. The upper and the lower eyelids meet at the outer canthus in Stage 19.<ref name=“Pearson1980”>{{Ref-Pearson1980}}</ref> </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Vision}}''' - (stage 19 -22) the eyelid folds develop into the eyelids and cover more of the eye as the palpebral fissure takes shape. The upper and the lower eyelids meet at the outer canthus in Stage 19.<ref name=“Pearson1980”>{{Ref-Pearson1980}}</ref> </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Hearing}}''' - otic capsule now cartilaginous. Cochlea tip becomes curled. Malleus and incus present.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Hearing}}''' - otic capsule now cartilaginous. Cochlea tip becomes curled. Malleus and incus present.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* '''{{smell}}''' - individualization of the olfactory bulb and nuclei. The distinction between olfactory structures and terminal and vomeronasal ones begins to be clear. <ref name=PMID7469043>{{Ref-PMID7469043}}</ref> [[Paper_-_Development_of_olfactory_and_related_structures_in_staged_human_embryos#Carnegie_Stages|Stages Description]]</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Cardiovascular System Development|'''Cardiovascular''']] </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Cardiovascular System Development|'''Cardiovascular''']] </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** [[Neural - Vascular Development|Cerebral artery]] the middle cerebral artery becomes more prominent, the plexi fuse into a single artery and further branches pierce the cerebral hemisphere.{{#pmid:26060802|PMID26060802}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** [[Neural - Vascular Development|Cerebral artery]] the middle cerebral artery becomes more prominent, the plexi fuse into a single artery and further branches pierce the cerebral hemisphere.{{#pmid:26060802|PMID26060802}}</div></td></tr>
</table>
Z8600021
https://embryology.med.unsw.edu.au/embryology/index.php?title=Carnegie_stage_19&diff=371007&oldid=prev
Z8600021: /* Events */
2019-02-19T04:13:42Z
<p><span dir="auto"><span class="autocomment">Events</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 15:13, 19 February 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l157">Line 157:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** arterial system<ref>{{Ref-KeibelMall1912}}</ref> [[Book - Manual of Human Embryology 18-6|Chapter 18]] [[:File:Keibel Mall 2 390.jpg|fig. 447]]). </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** arterial system<ref>{{Ref-KeibelMall1912}}</ref> [[Book - Manual of Human Embryology 18-6|Chapter 18]] [[:File:Keibel Mall 2 390.jpg|fig. 447]]). </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** aortic arches <ref>{{Ref-Congdon1922}}</ref> stages 11–19 (figs. 29–40).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** aortic arches <ref>{{Ref-Congdon1922}}</ref> stages 11–19 (figs. 29–40).</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>** <del style="font-weight: bold; text-decoration: none;">[[Cardiovascular System Development|</del>Heart<del style="font-weight: bold; text-decoration: none;">]] </del>fusion of aortic and mitral endocardial cushion material</ref>{{Ref-Teal1986}}</ref></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>** <ins style="font-weight: bold; text-decoration: none;">{{</ins>Heart<ins style="font-weight: bold; text-decoration: none;">}} </ins>fusion of aortic and mitral endocardial cushion material</ref>{{Ref-Teal1986}}</ref></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* <del style="font-weight: bold; text-decoration: none;">[[</del>Respiratory <del style="font-weight: bold; text-decoration: none;">System Development|'''Respiratory''']] </del>- first generation of subsegmental bronchi now complete, see bronchial tree reconstruction<ref>{{Ref-Wells1954}}</ref> (plates 3 and 4).</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* <ins style="font-weight: bold; text-decoration: none;">{{</ins>Respiratory<ins style="font-weight: bold; text-decoration: none;">}} </ins>- first generation of subsegmental bronchi now complete, see bronchial tree reconstruction<ref>{{Ref-Wells1954}}</ref> (plates 3 and 4).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Gastrointestinal Tract Development|'''Gastrointestinal''']] - anal membrane defined.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Gastrointestinal Tract Development|'''Gastrointestinal''']] - anal membrane defined.</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** {{submandibular gland}} - Short, club-like duct entering mesenchymal primordium of gland.<ref name=Streeter1957>{{Ref-Streeter1957}}</ref></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Renal}}''' - Cloacal membrane ruptures from urinary pressure at [[Carnegie stage 18|stage 18]] or [[Carnegie stage 19|stage 19]], </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Renal}}''' - Cloacal membrane ruptures from urinary pressure at [[Carnegie stage 18|stage 18]] or [[Carnegie stage 19|stage 19]], </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Musculoskeletal System Development|'''Musculoskeletal''']] - Sternum right and left sternal bars are present.<ref>{{Ref-Gasser1975}}</ref> (figs. 7-17 and 7-22)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Musculoskeletal System Development|'''Musculoskeletal''']] - Sternum right and left sternal bars are present.<ref>{{Ref-Gasser1975}}</ref> (figs. 7-17 and 7-22)</div></td></tr>
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Z8600021
https://embryology.med.unsw.edu.au/embryology/index.php?title=Carnegie_stage_19&diff=369860&oldid=prev
Z8600021: /* Events */
2019-01-31T11:12:13Z
<p><span dir="auto"><span class="autocomment">Events</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:12, 31 January 2019</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l167">Line 167:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** stria medullaris thalami reaches the habenular nuclei. </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** stria medullaris thalami reaches the habenular nuclei. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** habenular commissure begins to develop.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** habenular commissure begins to develop.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* {{Endocrine}}<ref name=O'Rahilly1983a>{{Ref-O'Rahilly1983a}}</ref></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* <ins style="font-weight: bold; text-decoration: none;">'''</ins>{{Endocrine}}<ins style="font-weight: bold; text-decoration: none;">'''</ins><ref name=O'Rahilly1983a>{{Ref-O'Rahilly1983a}}</ref></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Hypophysis - the caudal part of the craniopharyngeal pouch is reduced to a closed epithelial stem (Andersen et al. 1971).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Hypophysis - the caudal part of the craniopharyngeal pouch is reduced to a closed epithelial stem (Andersen et al. 1971).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Epiphysis - the "anterior lobe" of the pineal body shows a characteristic step and wedge appearance (Stadium 4 of Turkewitsch 1933) (O'Rahilly 1968).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Epiphysis - the "anterior lobe" of the pineal body shows a characteristic step and wedge appearance (Stadium 4 of Turkewitsch 1933) (O'Rahilly 1968).</div></td></tr>
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Z8600021
https://embryology.med.unsw.edu.au/embryology/index.php?title=Carnegie_stage_19&diff=369858&oldid=prev
Z8600021: /* Events */
2019-01-31T11:09:58Z
<p><span dir="auto"><span class="autocomment">Events</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:09, 31 January 2019</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Cortex - C2 cells lie on the surface of the gland and form a "capsule".<ref name=Crowder1957>{{Ref-Crowder1957}}</ref> </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Cortex - C2 cells lie on the surface of the gland and form a "capsule".<ref name=Crowder1957>{{Ref-Crowder1957}}</ref> </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Medulla - Sympathicoblasts penetrate the cortex at stages 19 and 20, and form scattered islets of medullary tissue throughout the cortex (Jirfisek 1980).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Medulla - Sympathicoblasts penetrate the cortex at stages 19 and 20, and form scattered islets of medullary tissue throughout the cortex (Jirfisek 1980).</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Meninges}}''' (<del style="font-weight: bold; text-decoration: none;">[[Neural_-_Spinal_Cord_Development|</del>Spinal <del style="font-weight: bold; text-decoration: none;">Cord]]</del>) - increased <del style="font-weight: bold; text-decoration: none;">chondrification </del>ventral vertebral wall and greater concentration in the dorsal vertebral wall (the membrana reuniens), further ventral migration of the ganglia, and formation of large cavities in the meninx primitiva and a reticular arrangement of its cells. Layers of stratified cells overlying the dorsal surfaces of the centra and intervertebral disks, distinguishable in stage 17, 18, are now separated from these structures by a narrow network of loose cells. This stratified concentration of cells is the rudiment of the ventral dura mater, and may be traced both laterally and medially to the ganglia. The part lateral to the ganglia passes over into, and becomes indistinguishable from, the dense stratum of the meninx primitiva that forms the more dorsal canal wall. Passing caudad, the ventral dura mater rudiment lies in ever closer proximity to the centra and intervertebral disks, becoming continuous with these structures in the lower cervical segments. It can, however, be identified throughout the thoracic regions.<ref name=Sensenig1951>{{Ref-Sensenig1951}}</ref></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''{{Meninges}}''' (<ins style="font-weight: bold; text-decoration: none;">{{</ins>Spinal <ins style="font-weight: bold; text-decoration: none;">cord}}</ins>) - increased <ins style="font-weight: bold; text-decoration: none;">chondrification </ins>ventral vertebral wall and greater concentration in the dorsal vertebral wall (the membrana reuniens), further ventral migration of the ganglia, and formation of large cavities in the meninx primitiva and a reticular arrangement of its cells. Layers of stratified cells overlying the dorsal surfaces of the centra and intervertebral disks, distinguishable in stage 17, 18, are now separated from these structures by a narrow network of loose cells. This stratified concentration of cells is the rudiment of the ventral dura mater, and may be traced both laterally and medially to the ganglia. The part lateral to the ganglia passes over into, and becomes indistinguishable from, the dense stratum of the meninx primitiva that forms the more dorsal canal wall. Passing caudad, the ventral dura mater rudiment lies in ever closer proximity to the centra and intervertebral disks, becoming continuous with these structures in the lower cervical segments. It can, however, be identified throughout the thoracic regions.<ref name=Sensenig1951>{{Ref-Sensenig1951}}</ref></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{genital}}'''{{#pmid:6846859|PMID6846859}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{genital}}'''{{#pmid:6846859|PMID6846859}}</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Gonad DSDs have been recorded from stages 19 to 23.<ref name=Lee1971>{{Ref-Lee1971}}</ref></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Gonad DSDs have been recorded from stages 19 to 23.<ref name=Lee1971>{{Ref-Lee1971}}</ref></div></td></tr>
</table>
Z8600021
https://embryology.med.unsw.edu.au/embryology/index.php?title=Carnegie_stage_19&diff=369856&oldid=prev
Z8600021: /* Events */
2019-01-31T11:09:07Z
<p><span dir="auto"><span class="autocomment">Events</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 22:09, 31 January 2019</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Events==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Events==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* <del style="font-weight: bold; text-decoration: none;">[[Sensory_-_Vision_Development|</del>'''Vision'''<del style="font-weight: bold; text-decoration: none;">]] </del>- (stage 19 -22) the eyelid folds develop into the eyelids and cover more of the eye as the palpebral fissure takes shape. The upper and the lower eyelids meet at the outer canthus in Stage 19.<ref name=“Pearson1980”>{{Ref-Pearson1980}}</ref> </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''<ins style="font-weight: bold; text-decoration: none;">{{</ins>Vision<ins style="font-weight: bold; text-decoration: none;">}}</ins>''' - (stage 19 -22) the eyelid folds develop into the eyelids and cover more of the eye as the palpebral fissure takes shape. The upper and the lower eyelids meet at the outer canthus in Stage 19.<ref name=“Pearson1980”>{{Ref-Pearson1980}}</ref> </div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* <del style="font-weight: bold; text-decoration: none;">[[Sensory - Hearing and Balance Development|</del>'''Hearing'''<del style="font-weight: bold; text-decoration: none;">]] </del>- otic capsule now cartilaginous. Cochlea tip becomes curled. Malleus and incus present.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''<ins style="font-weight: bold; text-decoration: none;">{{</ins>Hearing<ins style="font-weight: bold; text-decoration: none;">}}</ins>''' - otic capsule now cartilaginous. Cochlea tip becomes curled. Malleus and incus present.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Cardiovascular System Development|'''Cardiovascular''']] </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Cardiovascular System Development|'''Cardiovascular''']] </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** [[Neural - Vascular Development|Cerebral artery]] the middle cerebral artery becomes more prominent, the plexi fuse into a single artery and further branches pierce the cerebral hemisphere.{{#pmid:26060802|PMID26060802}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** [[Neural - Vascular Development|Cerebral artery]] the middle cerebral artery becomes more prominent, the plexi fuse into a single artery and further branches pierce the cerebral hemisphere.{{#pmid:26060802|PMID26060802}}</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l160">Line 160:</td>
<td colspan="2" class="diff-lineno">Line 160:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Respiratory System Development|'''Respiratory''']] - first generation of subsegmental bronchi now complete, see bronchial tree reconstruction<ref>{{Ref-Wells1954}}</ref> (plates 3 and 4).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Respiratory System Development|'''Respiratory''']] - first generation of subsegmental bronchi now complete, see bronchial tree reconstruction<ref>{{Ref-Wells1954}}</ref> (plates 3 and 4).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Gastrointestinal Tract Development|'''Gastrointestinal''']] - anal membrane defined.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Gastrointestinal Tract Development|'''Gastrointestinal''']] - anal membrane defined.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* <del style="font-weight: bold; text-decoration: none;">[[Renal System Development|</del>'''Renal'''<del style="font-weight: bold; text-decoration: none;">]] </del>- Cloacal membrane ruptures from urinary pressure at [[Carnegie stage 18|stage 18]] or [[Carnegie stage 19|stage 19]], </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''<ins style="font-weight: bold; text-decoration: none;">{{</ins>Renal<ins style="font-weight: bold; text-decoration: none;">}}</ins>''' - Cloacal membrane ruptures from urinary pressure at [[Carnegie stage 18|stage 18]] or [[Carnegie stage 19|stage 19]], </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Musculoskeletal System Development|'''Musculoskeletal''']] - Sternum right and left sternal bars are present.<ref>{{Ref-Gasser1975}}</ref> (figs. 7-17 and 7-22)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Musculoskeletal System Development|'''Musculoskeletal''']] - Sternum right and left sternal bars are present.<ref>{{Ref-Gasser1975}}</ref> (figs. 7-17 and 7-22)</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{neural}}'''</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{neural}}'''</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** stria medullaris thalami reaches the habenular nuclei. </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** stria medullaris thalami reaches the habenular nuclei. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** habenular commissure begins to develop.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** habenular commissure begins to develop.</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* <del style="font-weight: bold; text-decoration: none;">[[</del>Endocrine <del style="font-weight: bold; text-decoration: none;">System Development]]</del><ref name=O'Rahilly1983a>{{Ref-O'Rahilly1983a}}</ref></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* <ins style="font-weight: bold; text-decoration: none;">{{</ins>Endocrine<ins style="font-weight: bold; text-decoration: none;">}}</ins><ref name=O'Rahilly1983a>{{Ref-O'Rahilly1983a}}</ref></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Hypophysis - the caudal part of the craniopharyngeal pouch is reduced to a closed epithelial stem (Andersen et al. 1971).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Hypophysis - the caudal part of the craniopharyngeal pouch is reduced to a closed epithelial stem (Andersen et al. 1971).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Epiphysis - the "anterior lobe" of the pineal body shows a characteristic step and wedge appearance (Stadium 4 of Turkewitsch 1933) (O'Rahilly 1968).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Epiphysis - the "anterior lobe" of the pineal body shows a characteristic step and wedge appearance (Stadium 4 of Turkewitsch 1933) (O'Rahilly 1968).</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Cortex - C2 cells lie on the surface of the gland and form a "capsule".<ref name=Crowder1957>{{Ref-Crowder1957}}</ref> </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Cortex - C2 cells lie on the surface of the gland and form a "capsule".<ref name=Crowder1957>{{Ref-Crowder1957}}</ref> </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Medulla - Sympathicoblasts penetrate the cortex at stages 19 and 20, and form scattered islets of medullary tissue throughout the cortex (Jirfisek 1980).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Medulla - Sympathicoblasts penetrate the cortex at stages 19 and 20, and form scattered islets of medullary tissue throughout the cortex (Jirfisek 1980).</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* <del style="font-weight: bold; text-decoration: none;">[[Neural_-_Meninges_Development|</del>'''Meninges'''<del style="font-weight: bold; text-decoration: none;">]] </del>([[Neural_-_Spinal_Cord_Development|Spinal Cord]]) - increased chondrification ventral vertebral wall and greater concentration in the dorsal vertebral wall (the membrana reuniens), further ventral migration of the ganglia, and formation of large cavities in the meninx primitiva and a reticular arrangement of its cells. Layers of stratified cells overlying the dorsal surfaces of the centra and intervertebral disks, distinguishable in stage 17, 18, are now separated from these structures by a narrow network of loose cells. This stratified concentration of cells is the rudiment of the ventral dura mater, and may be traced both laterally and medially to the ganglia. The part lateral to the ganglia passes over into, and becomes indistinguishable from, the dense stratum of the meninx primitiva that forms the more dorsal canal wall. Passing caudad, the ventral dura mater rudiment lies in ever closer proximity to the centra and intervertebral disks, becoming continuous with these structures in the lower cervical segments. It can, however, be identified throughout the thoracic regions.<ref name=Sensenig1951>{{Ref-Sensenig1951}}</ref></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''<ins style="font-weight: bold; text-decoration: none;">{{</ins>Meninges<ins style="font-weight: bold; text-decoration: none;">}}</ins>''' ([[Neural_-_Spinal_Cord_Development|Spinal Cord]]) - increased chondrification ventral vertebral wall and greater concentration in the dorsal vertebral wall (the membrana reuniens), further ventral migration of the ganglia, and formation of large cavities in the meninx primitiva and a reticular arrangement of its cells. Layers of stratified cells overlying the dorsal surfaces of the centra and intervertebral disks, distinguishable in stage 17, 18, are now separated from these structures by a narrow network of loose cells. This stratified concentration of cells is the rudiment of the ventral dura mater, and may be traced both laterally and medially to the ganglia. The part lateral to the ganglia passes over into, and becomes indistinguishable from, the dense stratum of the meninx primitiva that forms the more dorsal canal wall. Passing caudad, the ventral dura mater rudiment lies in ever closer proximity to the centra and intervertebral disks, becoming continuous with these structures in the lower cervical segments. It can, however, be identified throughout the thoracic regions.<ref name=Sensenig1951>{{Ref-Sensenig1951}}</ref></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{genital}}'''{{#pmid:6846859|PMID6846859}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* '''{{genital}}'''{{#pmid:6846859|PMID6846859}}</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Gonad DSDs have been recorded from stages 19 to 23.<ref name=Lee1971>{{Ref-Lee1971}}</ref></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Gonad DSDs have been recorded from stages 19 to 23.<ref name=Lee1971>{{Ref-Lee1971}}</ref></div></td></tr>
</table>
Z8600021
https://embryology.med.unsw.edu.au/embryology/index.php?title=Carnegie_stage_19&diff=335590&oldid=prev
Z8600021 at 15:24, 2 May 2018
2018-05-02T15:24:28Z
<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en-GB">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 02:24, 3 May 2018</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l161">Line 161:</td>
<td colspan="2" class="diff-lineno">Line 161:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Gastrointestinal Tract Development|'''Gastrointestinal''']] - anal membrane defined.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Gastrointestinal Tract Development|'''Gastrointestinal''']] - anal membrane defined.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Renal System Development|'''Renal''']] - Cloacal membrane ruptures from urinary pressure at [[Carnegie stage 18|stage 18]] or [[Carnegie stage 19|stage 19]], </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Renal System Development|'''Renal''']] - Cloacal membrane ruptures from urinary pressure at [[Carnegie stage 18|stage 18]] or [[Carnegie stage 19|stage 19]], </div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* [[Genital System Development|'''Genital''']]</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">** Testis - Rete testis develops from the seminiferous cords at stages 19–23, and tunica albuginea forms.<ref>{{Ref-Jirasek1971}}</ref>. </del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">** Ovary - Rete ovarii cords are developing.<ref>{{Ref-Wilson1926a))</ref></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Musculoskeletal System Development|'''Musculoskeletal''']] - Sternum right and left sternal bars are present.<ref>{{Ref-Gasser1975}}</ref> (figs. 7-17 and 7-22)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Musculoskeletal System Development|'''Musculoskeletal''']] - Sternum right and left sternal bars are present.<ref>{{Ref-Gasser1975}}</ref> (figs. 7-17 and 7-22)</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* <del style="font-weight: bold; text-decoration: none;">[[Neural System Development|</del>'''<del style="font-weight: bold; text-decoration: none;">Neural</del>'''<del style="font-weight: bold; text-decoration: none;">]]</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* '''<ins style="font-weight: bold; text-decoration: none;">{{neural}}</ins>'''</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** rhombencephalon migration for olivary and arcuate nuclei begins. </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** rhombencephalon migration for olivary and arcuate nuclei begins. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** choroid plexus of the fourth ventricle present. </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** choroid plexus of the fourth ventricle present. </div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l173">Line 173:</td>
<td colspan="2" class="diff-lineno">Line 170:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Hypophysis - the caudal part of the craniopharyngeal pouch is reduced to a closed epithelial stem (Andersen et al. 1971).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Hypophysis - the caudal part of the craniopharyngeal pouch is reduced to a closed epithelial stem (Andersen et al. 1971).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Epiphysis - the "anterior lobe" of the pineal body shows a characteristic step and wedge appearance (Stadium 4 of Turkewitsch 1933) (O'Rahilly 1968).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Epiphysis - the "anterior lobe" of the pineal body shows a characteristic step and wedge appearance (Stadium 4 of Turkewitsch 1933) (O'Rahilly 1968).</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>** <del style="font-weight: bold; text-decoration: none;">Parathyroids </del>- 3 become detached from the pharyngeal endo- derm (Jirfisek 1980).</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>** <ins style="font-weight: bold; text-decoration: none;">{{parathyroid}} </ins>- 3 become detached from the pharyngeal endo- derm (Jirfisek 1980).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Cortex - C2 cells lie on the surface of the gland and form a "capsule".<ref name=Crowder1957>{{Ref-Crowder1957}}</ref> </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Cortex - C2 cells lie on the surface of the gland and form a "capsule".<ref name=Crowder1957>{{Ref-Crowder1957}}</ref> </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Medulla - Sympathicoblasts penetrate the cortex at stages 19 and 20, and form scattered islets of medullary tissue throughout the cortex (Jirfisek 1980).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Medulla - Sympathicoblasts penetrate the cortex at stages 19 and 20, and form scattered islets of medullary tissue throughout the cortex (Jirfisek 1980).</div></td></tr>
</table>
Z8600021
https://embryology.med.unsw.edu.au/embryology/index.php?title=Carnegie_stage_19&diff=335584&oldid=prev
Z8600021: /* Events */
2018-05-02T15:11:37Z
<p><span dir="auto"><span class="autocomment">Events</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en-GB">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 02:11, 3 May 2018</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l177">Line 177:</td>
<td colspan="2" class="diff-lineno">Line 177:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Medulla - Sympathicoblasts penetrate the cortex at stages 19 and 20, and form scattered islets of medullary tissue throughout the cortex (Jirfisek 1980).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>** Adrenal Medulla - Sympathicoblasts penetrate the cortex at stages 19 and 20, and form scattered islets of medullary tissue throughout the cortex (Jirfisek 1980).</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Neural_-_Meninges_Development|'''Meninges''']] ([[Neural_-_Spinal_Cord_Development|Spinal Cord]]) - increased chondrification ventral vertebral wall and greater concentration in the dorsal vertebral wall (the membrana reuniens), further ventral migration of the ganglia, and formation of large cavities in the meninx primitiva and a reticular arrangement of its cells. Layers of stratified cells overlying the dorsal surfaces of the centra and intervertebral disks, distinguishable in stage 17, 18, are now separated from these structures by a narrow network of loose cells. This stratified concentration of cells is the rudiment of the ventral dura mater, and may be traced both laterally and medially to the ganglia. The part lateral to the ganglia passes over into, and becomes indistinguishable from, the dense stratum of the meninx primitiva that forms the more dorsal canal wall. Passing caudad, the ventral dura mater rudiment lies in ever closer proximity to the centra and intervertebral disks, becoming continuous with these structures in the lower cervical segments. It can, however, be identified throughout the thoracic regions.<ref name=Sensenig1951>{{Ref-Sensenig1951}}</ref></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Neural_-_Meninges_Development|'''Meninges''']] ([[Neural_-_Spinal_Cord_Development|Spinal Cord]]) - increased chondrification ventral vertebral wall and greater concentration in the dorsal vertebral wall (the membrana reuniens), further ventral migration of the ganglia, and formation of large cavities in the meninx primitiva and a reticular arrangement of its cells. Layers of stratified cells overlying the dorsal surfaces of the centra and intervertebral disks, distinguishable in stage 17, 18, are now separated from these structures by a narrow network of loose cells. This stratified concentration of cells is the rudiment of the ventral dura mater, and may be traced both laterally and medially to the ganglia. The part lateral to the ganglia passes over into, and becomes indistinguishable from, the dense stratum of the meninx primitiva that forms the more dorsal canal wall. Passing caudad, the ventral dura mater rudiment lies in ever closer proximity to the centra and intervertebral disks, becoming continuous with these structures in the lower cervical segments. It can, however, be identified throughout the thoracic regions.<ref name=Sensenig1951>{{Ref-Sensenig1951}}</ref></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* '''{{genital}}'''{{#pmid:6846859|PMID6846859}}</ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** Gonad DSDs have been recorded from stages 19 to 23.<ref name=Lee1971>{{Ref-Lee1971}}</ref></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** {{testis}} rete testis begins developing from the siminiferous cords and tunica albuginea begins forming.<ref name=Jirasek1971>{{Ref-Jirasek1971}}</ref></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** {{ovary}} Cords representing the rete ovarii (or rete testis) are developing from cells of the gonad.<ref name=Wilson1926a>{{Ref-Wilson1926a}}</ref></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
</table>
Z8600021
https://embryology.med.unsw.edu.au/embryology/index.php?title=Carnegie_stage_19&diff=333090&oldid=prev
Z8600021 at 21:58, 17 April 2018
2018-04-17T21:58:40Z
<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en-GB">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:58, 18 April 2018</td>
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https://embryology.med.unsw.edu.au/embryology/index.php?title=Carnegie_stage_19&diff=333088&oldid=prev
Z8600021 at 21:58, 17 April 2018
2018-04-17T21:58:00Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 08:58, 18 April 2018</td>
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