2010 BGD Practical 6 - Week 7: Difference between revisions
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==Introduction== | ==Introduction== | ||
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Key Events of Human Development during the seventh week (week 7) following fertilization or Clinical week 9 (LMP). | |||
(Place 7 week ultrasounds here) | |||
* Pancreas - Week 7 to 20 pancreatic hormones secretion increases, small amount maternal insulin | |||
* Limb bones form by [[E#endochondral ossification|endochondral ossification]] and throughout embryo replacement of cartilage with bone (week 5 onward). | |||
<gallery> | |||
File:Endochondral_bone.jpg|Endochondral ossification in limb | |||
File:Endochondral_ossification.jpg|Endochondral ossification | |||
File:Ossification_centre.jpg|Intramembranous ossification | |||
File:Fetal_head_medial.jpg|Head Intramembranous ossification | |||
</gallery> | |||
<gallery> | |||
File:Stage18_bf1c.jpg|Stage 18 | |||
File:Stage19_bf1c.jpg|Stage 19 | |||
</gallery> | |||
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===Embryo Stages and Events=== | |||
{| class="prettytable" | |||
| width= "50px" | '''Day''' | |||
| width= "100px" | '''Stage''' | |||
| '''Event''' | |||
|- | |||
| <center>43</center> | |||
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| [http://embryology.med.unsw.edu.au/Notes/endocrine10.htm Pancreas] Week 7 to 20 pancreatic hormones secretion increases, small amount maternal insulin | |||
[http://embryology.med.unsw.edu.au/Notes/respire.htm Respire] Week 7 - enlargement of liver stops descent of heart and lungs | |||
|- | |||
| <center>44</center> | |||
| [[Carnegie_stage_18|Stage 18]] | |||
| [[File:Stage18_bf1c.jpg|200px|link=Carnegie stage 18]] | |||
[http://embryology.med.unsw.edu.au/Notes/skmus7.htm Limb] [http://embryology.med.unsw.edu.au/Notes/skmus9.htm bones] form by endochondrial ossification and throughout embryo replacement of cartilage with bone (week 5-12). | |||
[http://embryology.med.unsw.edu.au/Notes/nose.htm Sense - Smell] vomeronasal fibres and nervus terminalis [http://www.ncbi.nlm.nih.gov/pubmed/15604533 PMID: 15604533] | |||
[http://embryology.med.unsw.edu.au/Notes/git7.htm GIT - Liver] obturation due to epithelial proliferation, bile ducts became reorganized, continuity between liver cells and gut [http://www.ncbi.nlm.nih.gov/pubmed/9407542 PMID: 9407542] | |||
[http://embryology.med.unsw.edu.au/Notes/neuron.htm Neural] duramater appears [http://www.ncbi.nlm.nih.gov/pubmed/15478101 PMID: 15478101] | |||
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[http://embryology.med.unsw.edu.au/Notes/git7.htm GIT - Liver] (stage 18 to 23) biliary ductules developed in periportal connective tissue | |||
produces ductal plates that receive biliary capillaries [http://www.ncbi.nlm.nih.gov/pubmed/9407542 PMID: 9407542] | |||
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| <center>48</center> | |||
| [[Carnegie_stage_19|Stage 19]] | |||
| [[File:Stage19_bf1c.jpg|200px|link=Carnegie stage 19]] [http://embryology.med.unsw.edu.au/Notes/neuron.htm Neural] accessory olivary nucleus appears [http://www.ncbi.nlm.nih.gov/pubmed/2268071 PMID: 2268071] | |||
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[[Category:Week 7]] |
Latest revision as of 01:24, 18 May 2010
Introduction
Practical 6: Week 3 | Week 4 | Week 5 | Week 6 | Week 7 | Week 8 | Quiz
Key Events of Human Development during the seventh week (week 7) following fertilization or Clinical week 9 (LMP).
(Place 7 week ultrasounds here)
- Pancreas - Week 7 to 20 pancreatic hormones secretion increases, small amount maternal insulin
- Limb bones form by endochondral ossification and throughout embryo replacement of cartilage with bone (week 5 onward).
Practical 6: Week 3 | Week 4 | Week 5 | Week 6 | Week 7 | Week 8 | Quiz
Additional Information
Additional Information - Content shown under this heading is not part of the material covered in this class. It is provided for those students who would like to know about some concepts or current research in topics related to the current class page. |
Detailed Week by Week
The following information is a detailed timeline of embryonic development between week 3 to 8 and content does not form part of the current practical class.
Embryo Stages and Events
Day | Stage | Event |
Pancreas Week 7 to 20 pancreatic hormones secretion increases, small amount maternal insulin
Respire Week 7 - enlargement of liver stops descent of heart and lungs | ||
Stage 18 |
Limb bones form by endochondrial ossification and throughout embryo replacement of cartilage with bone (week 5-12). Sense - Smell vomeronasal fibres and nervus terminalis PMID: 15604533 GIT - Liver obturation due to epithelial proliferation, bile ducts became reorganized, continuity between liver cells and gut PMID: 9407542 Neural duramater appears PMID: 15478101 | |
GIT - Liver (stage 18 to 23) biliary ductules developed in periportal connective tissue produces ductal plates that receive biliary capillaries PMID: 9407542 | ||
Stage 19 | Neural accessory olivary nucleus appears PMID: 2268071 | |
Practical 6: Week 3 | Week 4 | Week 5 | Week 6 | Week 7 | Week 8 | Quiz
Glossary Links
- Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers | Symbols | Term Link
- 2010 BGD: Lecture 1 | Lecture 2 | Practical 3 | Practical 6 | Practical 12
Cite this page: Hill, M.A. (2024, March 28) Embryology 2010 BGD Practical 6 - Week 7. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/2010_BGD_Practical_6_-_Week_7
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G