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The Human Phenotype Ontology (HPO) is downloaded weekly from The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at

Term:Bloody diarrhea
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Accession:HP:0025085 term browser browse the term
Definition:Passage of many stools containing blood.
Comment:Diarrhea that contains bright red or maroon-colored blood may be referred to as hematochezia, while melena is used to describe black, tarry, and smelly diarrhea.
Synonyms:exact_synonym: Bloody bowel movement;   Bloody diarrhoea
 broad_synonym: Blood in stool;   Bloody stool

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the digestive system 0
        Abnormality of digestive system physiology 0
          Abdominal symptom 0
            Diarrhea 0
              Bloody diarrhea 0
                Bloody mucoid diarrhea 0
                Hematochezia 0
                Melena 0
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