About The Word Allantois

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Allantois

Allantois Meaning & Definition
Allantois Definition And Meaning

What's The Definition Of Allantois?

[n] vascular fetal membrane that develops from the hindgut in embryonic higher vertebrates (mammals; birds; reptiles)

Synonyms | Synonyms for Allantois:

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See Also | fetal membrane

Allantois In Webster's Dictionary

\Al*lan"to*is\, Allantoid \Al*lan"toid\, ] n.. (Anat.) A membranous appendage of the embryos of mammals, birds, and reptiles, -- in mammals serving to connect the fetus with the parent; the urinary vesicle.

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