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==Human Embryo Carnegie Stage 15== | ==Human Embryo Carnegie Stage 15== | ||
Carnegie Collection Embryo No. | Carnegie Collection Embryo No. {{CE3441}} | ||
Facts: Week 5, 35 - 38 days, 7 - 9 mm | Facts: Week 5, 35 - 38 days, 7 - 9 mm | ||
Line 6: | Line 6: | ||
View: Lateral right view. Amniotic membrane removed. | View: Lateral right view. Amniotic membrane removed. | ||
Events | Events: | ||
Ectoderm: sensory placodes, lens pit, otocyst, nasal pit, primary/secondary vesicles, fourth ventricle of brain, | {{Ectoderm}}: sensory placodes, lens pit, otocyst, nasal pit, primary/secondary vesicles, fourth ventricle of brain, | ||
Mesoderm: heart prominence | {{Mesoderm}}: heart prominence | ||
Head: 1st, 2nd and 3rd pharyngeal arch, forebrain, site of lens placode, site of otic placode, stomodeum | {{Head}}: 1st, 2nd and 3rd pharyngeal arch, forebrain, site of lens placode, site of otic placode, stomodeum | ||
Body: heart, liver, umbilical cord, mesonephric ridge | Body: heart, liver, umbilical cord, mesonephric ridge | ||
Line 20: | Line 20: | ||
Identify: midbrain region, nasal pit, lens pit, 1st, 2nd and 3rd pharyngeal arches, 1st pharyngeal groove, maxillary and mandibular components of 1st pharyngeal arch, fourth ventricle of brain, heart prominence, cervical sinus, upper limb bud, mesonephric ridge, lower limb bud, umbilical cord | Identify: midbrain region, nasal pit, lens pit, 1st, 2nd and 3rd pharyngeal arches, 1st pharyngeal groove, maxillary and mandibular components of 1st pharyngeal arch, fourth ventricle of brain, heart prominence, cervical sinus, upper limb bud, mesonephric ridge, lower limb bud, umbilical cord | ||
{{Carnegie Embryo Stage15}} | |||
{{ | {| class="wikitable" | ||
|- | |||
! Serial No. !! Size (mm) !! Grade !! Fixative !! Embedding Medium !! Plane !! Thinness (µm) !! Stain !! Year !! Notes | |||
|- | |||
| {{CE3441}} || E,8.0 Ch., 25x24x20 || Good || Formol || Paraffin || {{Sagittal}} || 10 || Al. coch. || 1921 || | |||
|} | |||
{{Carnegie Collection stage 15 table}} | |||
{{ | {{Carnegie_stages}} | ||
{{ | {{Footer}} | ||
[[Category:Carnegie Stage 15]] [[Category:Week 5]] [[Category:Carnegie Embryo 3441]] | [[Category:Carnegie Stage 15]] [[Category:Week 5]] [[Category:Carnegie Embryo 3441]] |
Latest revision as of 17:42, 5 October 2020
Human Embryo Carnegie Stage 15
Carnegie Collection Embryo No. 3441
Facts: Week 5, 35 - 38 days, 7 - 9 mm
View: Lateral right view. Amniotic membrane removed.
Events:
ectoderm: sensory placodes, lens pit, otocyst, nasal pit, primary/secondary vesicles, fourth ventricle of brain,
mesoderm: heart prominence
head: 1st, 2nd and 3rd pharyngeal arch, forebrain, site of lens placode, site of otic placode, stomodeum
Body: heart, liver, umbilical cord, mesonephric ridge
Limb: upper and lower limb buds, hand plate
Identify: midbrain region, nasal pit, lens pit, 1st, 2nd and 3rd pharyngeal arches, 1st pharyngeal groove, maxillary and mandibular components of 1st pharyngeal arch, fourth ventricle of brain, heart prominence, cervical sinus, upper limb bud, mesonephric ridge, lower limb bud, umbilical cord
Week: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
Carnegie stage: | 1 2 3 4 | 5 6 | 7 8 9 | 10 11 12 13 | 14 15 | 16 17 | 18 19 | 20 21 22 23 |
Serial No. | Size (mm) | Grade | Fixative | Embedding Medium | Plane | Thinness (µm) | Stain | Year | Notes |
---|---|---|---|---|---|---|---|---|---|
3441 | E,8.0 Ch., 25x24x20 | Good | Formol | Paraffin | Sagittal | 10 | Al. coch. | 1921 |
Carnegie Collection Embryos - Stage 15 | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Serial No. | Size (mm) | Grade | Fixative | Embedding Medium | Plane | Thinness (µm) | Stain | Year | Notes | |
2 | E., 7.0 Ch., 25x25x25 | Good | Alc. | P | Transverse | 15 | Al. carm. | 1888 | Least-advanced third | |
88 | E.,8 Ch., 30x28x15 | Poor | Alc. | P | Coronal | P | Al. coch. | 1897 | ||
113 | E.,8 241 E,6.0 | Poor | P | p | Sagittal | 10 | Borax carmine | ? | ||
241 | E,6.0 | Good | Formalin | P | Transverse | 10 | H. & Congo red | 1904 | ||
371 | E,6.6 | Good | Formalin | P | Sagittal | 10 | Al. coch. | 1913 | Shrunken and cracked | |
389 | E., 9 | Poor | p | p | Sagittal | 20 | (Stain - Haematoxylin Eosin) | 1907 | Tubal | |
721 | E., 9.0 Ch., 30x20x10 | Exc. | Zenker formol | P | Transverse | 15 | (Stain - Haematoxylin Eosin) | 1913 | Median in group | |
810 | E., 7.0 Ch, 30x25x15 | Good | Alc. | P | Sagittal | 20 | Al. coch | 1913 | ||
855 | E.,7.5 | Poor | Formalin | P | Transverse | 100 | Al. coch. | 1914 | Pathological between limbs | |
1006 | E,9.0 Ch., 37x26x22 | Poor | Formalin | P | Coronal | 20 | (Stain - Haematoxylin Eosin) or. G. | 1914 | Operative. Most-advanced third | |
1091 | E,7.2 Ch., 28x26x20 | Poor | P | P | Coronal | 20 | Al. coch. | 1915 | Macerated | |
1354 | E,7.8 Ch, 35x30x25 | Good | Formalin | P | Sagittal | 20 | Al. coch. | 1916 | Least-advanced third | |
1767 | E , 11.0 Ch, 41x23x5 | Good | Formalin | P | Sagittal | 40 | (Stain - Haematoxylin Eosin) or. G. | 1917 | Most-advanced third | |
2743 | E., 7.2 Ch., 19xl8x14 | Poor | Formalin | P | Transverse | 20 | Al. coch. | 1919 | Macerated. Least-advanced third | |
3216 | E, 6.5 Ch, 30x30x5 | Good | Formalin | P | Transverse | 20 | Al. coch. | 1920 | Hysterectomy. Least-advanced third | |
3385 | E,83 Ch., 25x20x16 | Exc. | Corros. acetic | P | Trans. | 20 | (Stain - Haematoxylin Eosin) or. G. | 1921 | Some sections lost. Most-advanced third. Ag added | |
3441 | E,8.0 Ch., 25x24x20 | Good | Formalin | P | Sag. | 10 | Al. coch. | 1921 | ||
3512 | E,8,5 Ch., 33x28x25 | Good | Formalin | P | Trans. | 10 | Al. coch. | 1921 | ||
3952 | E,6,7 Ch., 30x25x15 | Good | Formalin | P | Cor. | 15 | Al. coch. | 1922 | Median in group | |
4602 | E,9.3 Ch,, 33x30x26 | Good | Formalin | P | Sag. | 15 | Al. coch. | 1924 | Medical abortion | |
4782 | E,9.0 Ch., I4xl3x11 | Poor | Formalin | P | Cor. | 20 | Al. coch. | 1924 | ||
5772 | E, 8 | Poor | ? | P | Cor. | 15 | Al. coch. eosin | 1928 | ||
Template:CE5?92 | E, 3 | Good | Corros. acetic | C-P | Cor. | 10 | Al. coch. phlox | 1929 | Transitional to next stage | |
6223 | E ? | Poor | Alc. | C-P | Sag. | 8 | Or. G. | 1930 | Fragmented sections. Not saved | |
6504 | ||||||||||
6506 | ||||||||||
6508 | ||||||||||
6595 | ||||||||||
???? | ||||||||||
Abbreviations
|
- Carnegie Stages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | About Stages | Timeline
Cite this page: Hill, M.A. (2024, April 25) Embryology Stage15 bf7.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage15_bf7.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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current | 12:20, 7 August 2011 | 448 × 600 (28 KB) | S8600021 (talk | contribs) | ==Human Embryo Carnegie Stage 15== Carnegie Collection Embryo No.3512 Facts: Week 5, 35 - 38 days, 7 - 9 mm View: Lateral right view. Amniotic membrane removed. Events Ectoderm: sensory placodes, lens pit, otocyst, nasal pit, primary/secondary vesicle |
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