amnion Hear it!

amnion Definition

am·nion (amnē ən, -än′)

noun pl. -·ni·ons or -·nia

  1. the innermost membrane of the sac enclosing the embryo of a mammal, reptile, or bird: it is filled with a watery fluid (amniotic fluid)
  2. a similar membrane of certain invertebrates, esp. insects

Etymology: Gr, dim. of amnos, lamb < IE *agwhnos > yean, L agnus

amnion Related Forms
am′·ni·otic (-ätik) adjective or am′·ni·onic-änik

Browse dictionary entries near amnion

  1. amniocentesis
  2. amnesty
  3. amnesia
  4. amn't
  5. Amn
  6. ammunition
  7. ammonotelic
  8. ammono-
  9. ammono
  10. ammonium sulfate
  1. amobarbital
  2. amodiaquin
  3. amoeba
  4. amoebaean
  5. amoebiasis
  6. amoebic dysentery
  7. amoebocyte
  8. amok
  9. amole
  10. Amon