2010 BGD Practical 6 - Week 7

From Embryology

Introduction

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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).


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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.

Week 3 | Week 4 | Week 5 | Week 6 | Week 7 | Week 8

Embryo Stages and Events

Day Stage Event
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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

44
Stage 18 Stage18 bf1c.jpg

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

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GIT - Liver (stage 18 to 23) biliary ductules developed in periportal connective tissue

produces ductal plates that receive biliary capillaries PMID: 9407542

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47
   
48
Stage 19 Stage19 bf1c.jpg Neural accessory olivary nucleus appears PMID: 2268071
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Practical 6: Week 3 | Week 4 | Week 5 | Week 6 | Week 7 | Week 8 | Quiz



Glossary Links

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2010 BGD: Lecture 1 | Lecture 2 | Practical 3 | Practical 6 | Practical 12

Cite this page: Hill, M.A. (2019, July 17) Embryology 2010 BGD Practical 6 - Week 7. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/2010_BGD_Practical_6_-_Week_7

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© Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G