1. melena (melaena) (stool containing partially digested blood)
2. MelenaIn medicine, melena or melæna refers to the black, "tarry" feces that are associated with gastrointestinal hemorrhage. The black color is caused by oxidation of the iron in hemoglobin during its passage through the ileum and colon. Iron supplements may cause a grayish-black stool that should be distinguished from the black, tarlike stool that occurs from bleeding ulcer.
Read “Melena” on English Wikipedia
Read “メレナ” on Japanese Wikipedia
Read “Melena” on DBpedia
Read “Melena” on English Wikipedia
Read “メレナ” on Japanese Wikipedia
Read “Melena” on DBpedia
メレーナ
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