amnion

About 0.27 uses per million words.

Meaning

1. noun The innermost membrane of the fetal membranes of reptiles, birds, and mammals; the sac in which the embryo is suspended.

Similar words

amnios nodosum amniotic sac chorioamnion membranes amniogenesis chorioallantois endometrium allantois amnioscopy

Often followed by

and is cells in nodosum or rupture of has

Word family

amnia amnions amniotic