Difference between revisions of "Carnegie stage 5"

From Embryology
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Facts: Week 1, size 0.1-0.2 mm
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| <wikiflv width="214" height="220" autoplay="true" position="left">Chorion 001.flv|File:Chorion 001 icon.jpg</wikiflv>
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| Facts: Week 1, size 0.1-0.2 mm Features: implantation completed, inner cell mass, bilaminar embryo, trophoblast development
  
Features: implantation completed, inner cell mass, bilaminar embryo, trophoblast development
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Animation 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.
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'''blue''' - epiblast layer
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'''yellow''' - hypoblast layer
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'''red cells''' - extraembryonic mesoderm layer
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'''green''' - trophoblast layer
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'''red spaces''' - blood-filled spaces, maternal lacunae
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'''white cells''' - (left) endometrial gland (right) endometrial epithelium
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:[[Media:Chorion_001.mov|Quicktime version]]
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| [[File:Chorion 001 icon.jpg|200px|link=Development Animation - Chorionic Cavity]]
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|}
  
 
{{Template:Carnegie_stages}}
 
{{Template:Carnegie_stages}}

Revision as of 08:57, 1 June 2011

File:Chorion 001 icon.jpg</wikiflv> Facts: Week 1, size 0.1-0.2 mm Features: implantation completed, inner cell mass, bilaminar embryo, trophoblast development

Animation 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 version
Chorion 001 icon.jpg
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. (2021, October 28) 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 2021, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G