amnion
/ˈæmniɑn/
/ˈæmniən/
noun
The innermost membrane that encloses the embryo of a mammal, bird, or reptile.
Inside the egg are a series of fluid-filled membranes which permit the embryo to survive: the amnion, allantois, yolk sac, and chorion.
noun
The innermost membrane that encloses the embryo of a mammal, bird, or reptile.
Inside the egg are a series of fluid-filled membranes which permit the embryo to survive: the amnion, allantois, yolk sac, and chorion.
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