rumen

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ru·men / ˈroōmən/ • n. (pl. -mens or -mi·na / -mənə/ ) Zool. the first stomach of a ruminant, which receives food or cud from the esophagus, partly digests it with the aid of bacteria, and passes it to the reticulum.

rumen

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rumen The second of four chambers that form the stomach of ruminants. See Ruminantia.

rumen

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rumen See RUMINATION.

rumen

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rumen See ruminant.