Allantoine

al-lanlo-in, n. A substance found in the allantoic fluid; allantoic acid.— AUantoid, al-lan'- toid or allan-toid, Allantois, al-lanlois or allantois, n. A thin membrane, situated between the chorion and amnion, around the fetus. [Gr. alias, gut, and eidos, shape.] — Allantoic, a. Pert. to. etc.