RUMEN • DICCIONARIO INGLES.COM • Definition of Rumen

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/rˈumən/ Listen

Rumen

noun

(pl. rumina)

The first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing. Synonym: first stomach.

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Etymology of 'Rumen'

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"Rumen" Quotes from Famous Books

... more complicated than in other animals, and I must therefore attempt to describe briefly and as clearly as I can the construction of the ruminating stomach. Taking the ox as a typical specimen, we find four well-defined chambers varying in size. The first of these is the rumen or paunch, in which the unmasticated food is stored; it is a large sac partly bent on itself, and narrowing towards its junction with the oesophagus or gullet, and the entrance into the second chamber. It is lined with a mucous membrane, which is covered ...

— Natural History of the Mammalia of India and Ceylon • Robert A. Sterndale

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... which period it is subjected to macerating, mixing, and straining processes in preparation for entrance into the fourth or true stomach. The straining is accomplished through the medium of the manyplies or book, while the paunch, or rumen, with its adjunct, the waterbag, is concerned in the macerating, kneading, and mixing, as well as in regurgitation for rumination or the chewing of the cud. The action of the first three stomachs is merely preparatory to digestion. Thus it would seem that as a result ...

— Special Report on Diseases of Cattle • U.S. Department of Agriculture

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