Amniote
any vertebrate of the group amniota, comprising the reptiles, birds, and mammals, characterized by having an amnion during the embryonic stage.
noun
any vertebrate animal, such as a reptile, bird, or mammal, that possesses an amnion, chorion, and allantois during embryonic development compare anamniote
amniote
(ām’nē-ōt’)
any of the vertebrates that have an amnion during embryonic development. reptiles, birds, and mammals are amniotes.
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the watery fluid in the amnion, in which the embryo is suspended. contemporary examples chronic uncertainty surrounds children living under occupation like amniotic fluid. more on palestinian children emily l. hauser july 26, 2012 historical examples the constant presence of nutritive substances in the amniotic fluid during the whole period of gestation. simon magus george […]
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amniotic fold amniotic fold n. a fold of amniotic membrane enclosing the yolk stalk and extending from the point of insertion of the umbilical cord to the yolk sac.
- Amniotome
amniotome amniotome am·ni·o·tome (ām’nē-ə-tōm’) n. an instrument for puncturing the fetal membranes.
- Amniotomy
amniotomy amniotomy am·ni·ot·o·my (ām’nē-ŏt’ə-mē) n. surgical rupture of the fetal membranes to induce or expedite labor.