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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:Decreased body weight
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Accession:HP:0004325 term browser browse the term
Definition:Abnormally low body weight.
Synonyms:exact_synonym: Decreased weight;   Low body weight;   Low weight;   Weight less than 3rd percentile
 alt_id: HP:0001823;   HP:0001826
 xref: MESH:D013851;   MESH:D015431;   SNOMEDCT_US:161832001;   SNOMEDCT_US:248342006;   SNOMEDCT_US:262285001;   SNOMEDCT_US:89362005;   UMLS:C0041667;   UMLS:C1262477;   UMLS:C1844806

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Term paths to the root
Path 1
Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Growth abnormality 0
        Abnormality of body weight 0
          Decreased body weight 0
            Decreased body mass index 0
            Eunuchoid habitus 0
            Failure to thrive + 0
            Slender build 0
            Small for gestational age 0
            Weight loss + 0
paths to the root