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Definition:
Twins that are contained in two separate amnions are considered diamnionic. The amnion is the innermost membrane of the fetal sac.
Related Terms
• Amnion
• Monoamnionic
• Dichorionic
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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Diamnionic
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