amnion
nounUK /ˈæm.nɪ.ɒn/ · US /ˈæm.ni.ɑːn/
Etymology From Latin amnion (“membrane around a fetus”), from Ancient Greek ἀμνίον (amníon).
1
Anatomy, Medicine, Sciences The innermost membrane of the fetal membranes of reptiles, birds, and mammals; the sac in which the embryo is suspended.
- Near-synonym: amniotic sac
- He never seemed to mind, and after a while, she no longer felt self-conscious about languishing in the amnion of his office.2022, Ling Ma, “Office Hours”, in Bliss Montage, New York: Farrar, Straus and Giroux, →ISBN:
- Derived terms
- amnio-, amniocentesis, amnionic, amniote, amniotic, oligoamnios, subamnion