Development Animation - Week 3: Difference between revisions

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| This animation shows embryonic disc folding beginning week 3 of development.  
| This animation shows embryonic disc folding beginning week 3 of development.  


Embryonic disc (midline section) shown to the left and early placenta to the right.
Embryonic disc (midline section) shown to the left and early placenta to the right.




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* red - outside embryo extraembryonic mesoderm and inside embryo mesoderm
* red - outside embryo extraembryonic mesoderm and inside embryo mesoderm


Compare this sectional view of folding with the [[Development Animation - Amniotic Cavity|Amniotic Cavity]]
[[File:Amnion 001 icon.jpg|90px|link=Development Animation - Amniotic Cavity]]





Revision as of 08:37, 16 May 2010

Week3_folding icon.jpg</wikiflv> This animation shows embryonic disc folding beginning week 3 of development.

Embryonic disc (midline section) shown to the left and early placenta to the right.


  • blue - epiblast layer of amniotic cavity
  • yellow - endoderm layer of the yolk sac and gastrointestinal tract
  • red - outside embryo extraembryonic mesoderm and inside embryo mesoderm


Compare this sectional view of folding with the Amniotic Cavity

Amnion 001 icon.jpg


Quicktime version





Source: UNSW Embryology Thanks to the late Prof William Larsen for allowing permission to use animations based on images from his textbook. (More? movie technical information)

Links: Movies Page | Category:Movies



Cite this page: Hill, M.A. (2024, April 27) Embryology Development Animation - Week 3. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Development_Animation_-_Week_3

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G