Amniotic sac Summary

Everything you need to understand or teach Amniotic sac.

  • 2 Encyclopedia Articles

Study Pack

The Amniotic sac Study Pack contains:

Encyclopedia Articles (2)

143 words, approx. 1 pages
Amnion The amnion is an extremely thin tissue, or membrane. It encloses a developing embryo, and is present within the eggs of all vertebrates which live on land. The presence of the amnion creates a ... Read more
255 words, approx. 1 pages
Chorion In all vertebrates, the chorion is a membranous structure which completely encloses a developing embryo. After birth, this chorion is no longer needed, and is discarded. In birds and reptiles,... Read more