ALL meanings of amnion
am·ni·on
A a - noun amnion the innermost of two membranes enclosing an embryonic reptile, bird, or mammal 3
- noun amnion the innermost membrane of the sac enclosing the embryo of a mammal, reptile, or bird: it is filled with a watery fluid (amniotic fluid) 3
- noun amnion a similar membrane of certain invertebrates, esp. insects 3
- noun plural amnion Anatomy, Zoology. the innermost of the embryonic or fetal membranes of reptiles, birds, and mammals; the sac in which the embryo is suspended. 1
- noun plural amnion Zoology. a similar membrane of insects and other invertebrates. 1
- noun amnion The innermost membrane that encloses the embryo of a mammal, bird, or reptile. 1
- noun amnion (anatomy) The innermost membrane of the fetal membranes of reptiles, birds, and mammals; the sac in which the embryo is suspended. 0