abomasum(redirected from abomasus)
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n. pl. ab·o·ma·sa (-sə)
The fourth division of the stomach in ruminant animals, such as cows, sheep, and deer, in which digestion takes place.
[New Latin abomāsum : Latin ab-, ab- + Latin omāsum, tripe; see omasum.]
ab′o·ma′sal (-səl) adj.
n, pl -sa (-sə) or -si (-saɪ)
(Zoology) the fourth and last compartment of the stomach of ruminants, which receives and digests food from the psalterium and passes it on to the small intestine
[C18: New Latin, from ab-1 + omāsum bullock's tripe]
ab•o•ma•sum(ˌæb əˈmeɪ səm)
n., pl. -sa (-sə).
the fourth or true stomach of the cow and other ruminants, from which partially fermented and digested food is passed to the small intestine.
The fourth division of the stomach in ruminant animals, and the only one having glands that secrete acids and enzymes for digestion. It corresponds anatomically to the stomachs of other mammals. See more at ruminant.
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|Noun||1.||abomasum - the fourth compartment of the stomach of a ruminant; the one where digestion takes place|
ruminant - any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments