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Definition of: epigastrium
(ep′ə·gas′trē·əm) noun plural ·tri·a (-trē·ə) Anat.
The upper part of the abdomen, especially the region over the stomach and its walls. See illustration under ABDOMINAL. [<NL <Gk. epigastrion, neut. sing. of epigastrios <epi- upon + gastēr stomach]
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