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Amnion
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 Related Terms
• Monozygotic
• Chorion
• Monoamnionic
• Diamnionic
 
 
Definition: The inner of two membranes surrounding a fetus during pregnancy. It contains the amniotic fluid.

Common Misspellings: Amneon

Related Resources:

Amniotic Fluid
About.com's Pregnancy & Birth Guide presents this collection of information about the role of the amnion during prengnacy.

Elsewhere on the Web:

The Process of Twinning
This diagram contrasts the difference between monozygotic and dizygotic twins. It illustrates the different scenarios that can exist in amnionic cavity structure.

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