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Amniotic Sac

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

(Science: anatomy, obstetrics) sac, enclosing the embryo of amniote vertebrates, that provides a fluid environment to prevent dehydration during development of land based animals.

See: amnion.


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Re: Aminocentesis

Amniocentesis (also referred to as amniotic fluid test or AFT), is a medical procedure used in prenatal diagnosis of ... fluid, which contains fetal tissues, is extracted from the amnion or amniotic sac surrounding a developing fetus, and the fetal DNA is examined for genetic abnormalities.

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by seders99
Fri May 01, 2009 3:09 am
 
Forum: Genetics
Topic: Aminocentesis
Replies: 1
Views: 2486

Extraembryonic Membranes

... birds, and mammals produce 4 extraembryonic membranes: amnion yolk sac chorion, and allantois With these four membranes, the developing embryo ... on essential metabolism while sealed within the egg . Surrounded by amniotic fluid, the embryo is kept as moist as a fish embryo in a pond.

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by dipjyoti
Sun Feb 18, 2007 11:05 am
 
Forum: Zoology Discussion
Topic: Extraembryonic Membranes
Replies: 6
Views: 9253


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