重瓣胃
Omasum \O*ma"sum\, n. [L.] (Anat.) The third division of the stomach of ruminants. See {Manyplies}, and Illust. under {Ruminant}.
omasum n : the third compartment of the stomach of a ruminant [syn: {psalterium}, {third stomach}] [also: {omasa} (pl)]