Medical Dictionary


noun oma·sum \ō-ˈmā-səm\
plural oma·sa \-sə\

Medical Definition of OMASUM

:  the third chamber of the ruminant stomach that is situated between the reticulum and the abomasum—called also manyplies, psalterium; compare rumen
April 21, 2015
omnipotent Hear it
having unlimited authority or influence
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