abomasum


ab·oma·sum

noun \ˌab-ō-ˈmā-səm\
plural ab·oma·sa \-sə\

Definition of ABOMASUM

: the fourth compartment of the ruminant stomach that follows the omasum and has a true digestive function—compare rumen, reticulum
ab·oma·sal \-səl\ adjective

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