Svensk definition
Den yttre fosterhinnan.
Chorion
Korion
Engelsk definition
The outermost extra-embryonic membrane surrounding the developing embryo. In REPTILES and BIRDS, it adheres to the shell and allows exchange of gases between the egg and its environment. In MAMMALS, the chorion evolves into the fetal contribution of the PLACENTA.
Svenska synonymer
Inga svenska synonymer finns.
Engelska synonymer
Chorions