Human Gene Set: HP_MELENA


Standard name HP_MELENA
Systematic name M35734
Brief description Melena
Full description or abstract The passage of blackish, tarry feces associated with gastrointestinal hemorrhage. Melena occurs if the blood remains in the colon long enough for it to be broken down by colonic bacteria. One degradation product, hematin, imbues the stool with a blackish color. Thus, melena generally occurs with bleeding from the upper gastrointestinal tract (e.g., stomach ulcers or duodenal ulcers), since the blood usually remains in the gut for a longer period of time than with lower gastrointestinal bleeding. [https://orcid.org/0000-0002-0736-9199]
Collection C5: Ontology
      HPO: Human Phenotype Ontology
Source publication  
Exact source HP:0002249
Related gene sets  
External links https://hpo.jax.org/app/browse/term/HP:0002249
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Source species Homo sapiens
Contributed by Human Phenotype Ontology Group (The Jackson Laboratory (JAX))
Source platform or
identifier namespace		 Human_NCBI_Gene_ID
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Version history 2023.1.Hs: Updated to HPO Release 2023-01-27.

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