amnion

/am-nee-uhn/US // ˈæm ni ən //UK // (ˈæmnɪən) //

羊膜,羊水,羊角风,羊齿苋

Definitions

n.名词 noun

1
plural am·ni·ons, am·ni·a [am-nee-uh]. /ˈæm ni ə/.
- : Anatomy, Zoology. the innermost of the embryonic or fetal membranes of reptiles, birds, and mammals; the sac in which the embryo is suspended.
- : Zoology. a similar membrane of insects and other invertebrates.

as inbag of waters

Synonyms

Between these is a gelatinous substance, and within the amnion is a fluid, called the liquor amnii.
The whole being surrounded by two membranous coverings, the outer one called the chorion, and the inner one the amnion.
The amnion forms a small fold covering over the cephalic extremity of the embryo, which is deeply embedded in the yolk.
Both it and the stalk of the yolk-sack are enveloped by the amnion (am).
It adheres to the amnion and supplies it with blood-vessels (Bischoff).