Amniotic Sac — synonyms, definition
1. amniotic sac (Noun)
2 synonyms
amnion amnios
1 definition
amniotic sac (Noun) — Thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals).
1 type of
sac
2 parts of
amniote fetal membrane
2 topics
mammal mammalian