Alt. of Allantoidal
Word of the Day: Catachrestical
A membranous appendage of the embryos of mammals, birds, and reptiles, -- in mammals serving to connect the fetus with the parent; the urinary vesicle.
Of or pertaining to the allantois.
The division of Vertebrata in which the embryo develops an allantois. It includes reptiles, birds, and mammals.
No thesaurus entries found for "Allantoid".
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