| http://www.w3.org/ns/prov#value | - noun me??le??naMedical Definition of MELENA: the passage of dark tarry stools containing decomposing blood that is usually an indication of bleeding in the upper part of the alimentary canal and especially the esophagus, stomach, and duodenum???compare hematochezia ???me??le??nic \m??-??l??-nik\ adjective Variants of MELENAme??le??na or chiefly British me??lae??na \m??-??l??-n??\ Learn More About
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