What does "amnion" mean?

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

Amnion

Common synonyms include: allantoic membrane, amnios, amniotic membrane, amniotic sac, amniotic sac, anatomy.

/ˈæm.nɪ.ɒn/ noun

noun ·Rare ·Advanced level

Noun

1
The innermost membrane of the fetal membranes of reptiles, birds, and mammals; the sac in which the embryo is suspended.
"Near-synonym: amniotic sac"
2
thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals) wordnet

"He never seemed to mind, and after a while, she no longer felt self-conscious about languishing in the amnion of his office."

From Latin amnion (“membrane around a fetus”), from Ancient Greek ἀμνίον (amníon).