APP The fourth and last region ofthe specialized stomach of ruminants (e.g.the cow). It is lined with normal mucosacontaining gastric pits,producing hydrochlo-ric acid,pepsin,and rennin,and is the truedigestive stomach.反芻動物(如牛)特有的最后一個胃,即第四胃。它有正常的凹形的黏膜......（本文共 248 字） [閱讀本文] >>
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