Definition, Meaning & Synonyms
chorion
Noun
/ˈkɔːr.i.ɑːn/
Definition
The outermost membrane that surrounds an embryo in reptiles, birds, and mammals, contributing to the formation of the placenta in mammals.
Examples
- The chorion is essential for the implantation of the embryo in the uterine wall.
- In birds, the chorion helps in the exchange of gases and waste products.
Meaning
In the context of embryology, the chorion plays a crucial role in the development of the embryo by supplying nutrients and facilitating gas exchange.
Synonyms
- None
