amnion /amˈni-ən/

The innermost membrane enveloping the embryo of reptiles, birds and mammals

amˈniote noun

Any vertebrate animal that possesses an amnion, chorion and allantois during fetal development

amniotˈic adjective

amniotic cavity noun

The space between the embryo and the amnion

amniotic fluid noun

The fluid within the amnion in which the embryo is suspended

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