Allantoid
(a.) Alt. of Allantoidal
(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.
Similar Words:
Allanite Allantoic Allantoid Allantoidal Allantoidea Allantoin Allantois Anallantoic Anallantoidea Disgallant