o.ma.sum
n.（名词）【复数】 o.ma.sa[-s…] The third division of the stomach of a ruminant animal, located between the abomasum and the reticulum.Also called manyplies 重瓣胃：反刍动物的第三胃，位于皱胃和蜂巢胃之间也作 manyplies
来源：Latin om3sum [bullock`s tripe] 拉丁语 om3sum [牛肚] [probably of Celtic origin] [可能源于凯尔语]
