Chorionic Cavity Movie

Embryology - 25 Apr 2024 Expand to Translate
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<mediaplayer width='214' height='220' image="http://embryology.med.unsw.edu.au/embryology/images/0/08/Chorion_001_icon.jpg">Chorion 001.mp4</mediaplayer>

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

Links: MP4 version | Quicktime version | Implantation Movie