Amnion. Definition
amnion
amnion --
Closed sac that encloses the embryo of reptiles, birds and mammals, and which is formed as extraembryonic membrane, filled with a watery fluid.
*Automatic Translation
amnion --
Closed sac that encloses the embryo of reptiles, birds and mammals, and which is formed as extraembryonic membrane, filled with a watery fluid.
*Automatic Translation