Difference between revisions of "Carnegie stage 5"

From Embryology
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| <wikiflv width="214" height="220" autoplay="true" position="left">Chorion 001.flv|File:Chorion 001 icon.jpg</wikiflv>
 
| <wikiflv width="214" height="220" autoplay="true" position="left">Chorion 001.flv|File:Chorion 001 icon.jpg</wikiflv>
 
 
[[Media:Chorion_001.mov|Quicktime movie]]
 
 
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Animation (left) shows the events following implantation and focuses on changes in the the spaces surrounding the embryonic disc, the extraembryonic coelom.  
 
Animation (left) shows the events following implantation and focuses on changes in the the spaces surrounding the embryonic disc, the extraembryonic coelom.  
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:'''white cells''' - (left) endometrial gland (right) endometrial epithelium
 
:'''white cells''' - (left) endometrial gland (right) endometrial epithelium
 
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Revision as of 09:14, 1 June 2011

Chorion 001 icon.jpg
Facts: Week 1, size 0.1 - 0.2 mm

Features: implantation completed, inner cell mass, bilaminar embryo, trophoblast development



Links: Implantation | Week 2
File:Chorion 001 icon.jpg</wikiflv>

Animation (left) shows the events following implantation and focuses on changes in the the spaces surrounding the embryonic disc, the extraembryonic coelom.

The blastoceol cavity is converted into two separate spaces: the yolk sac and the chorionic cavity.

The third space lies above the epiblast, the amniotic cavity.

blue - epiblast layer
yellow - hypoblast layer
red cells - extraembryonic mesoderm layer
green - trophoblast layer
red spaces - blood-filled spaces, maternal lacunae
white cells - (left) endometrial gland (right) endometrial epithelium
Quicktime movie
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. (2020, March 30) Embryology Carnegie stage 5. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Carnegie_stage_5

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© Dr Mark Hill 2020, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G