amnion

(noun)

the innermost membrane of the fetal membranes of amniotes; the sac in which the embryo is suspended; protects the embryo from shock and carries out hydration

Related Terms

Examples of amnion in the following topics:

  • Characteristics of Amniotes

    • However, the eggs of amniotes contain three additional extra-embryonic membranes: the chorion, amnion, and allantois.
    • The amnion protects the embryo from mechanical shock and supports hydration.
    • The key features of an amniotic egg are the chorion, amnion, and allantois.