(Science: anatomy) The fourth Stomach of the cow. The abomasums of suckling calves are used as a source of rennet, a rennin-containing commercial enzyme preparation used to make cheese. The fourth compartment of the stomach of a ruminant; the one where digestion takes place.Part of the ruminant Stomach designed for digestion via secreting enzymes to breakdown food.
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cow has four stomachs: first two are weakly alkaline so bacteria can live in them, the fourth one=the real stomach=abomasum is acidic, like any stomach. the third one=omasum is somewhere in between, but probably much closer to the rumen and reticulum, as its function is mainly to ...
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