| Chorion | |
|---|---|
 Diagram showing the chorion of a chicken egg | |
 Human fetus enclosed in the amnion | |
| Details | |
| Identifiers | |
| Latin | chorion |
| TE | E5.11.3.1.1.0.3 |
| Anatomical terminology | |
The chorion is the outermost fetal membrane around the embryo in mammals, birds and reptiles (amniotes). It is also present around the embryo of other animals, like insects and molluscs.