Bible Dictionaries
Allantoid
Webster's Dictionary
(1):
(n.) A membranous appendage of the embryos of mammals, birds, and reptiles, - in mammals serving to connect the fetus with the parent; the urinary vesicle.
(2):
(a.) Alt. of Allantoidal
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Bibliography Information
Webster, Noah. Entry for 'Allantoid'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/a/allantoid.html. 1828.