Amnion in a sentence as a noun

It is synthesized from "dehydrated human amnion/chorion membrane" -- placental material -- according to the company's website. In 2013, the FDA warned the company about marketing the product without approval, which the firm eventually obtained.

Amnion definitions

noun

thin innermost membranous sac enclosing the developing embryo of higher vertebrates (reptiles, birds and mammals)

See also: amnios