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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:Abnormality of skin adnexa morphology
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Accession:HP:0011138 term browser browse the term
Definition:An abnormality of the skin adnexa (skin appendages), which are specialized skin structures located within the dermis and focally within the subcutaneous fatty tissue, comprising three histologically distinct structures: (1) the pilosebaceous unit (hair follicle and sebaceous glands); (2) the eccrine sweat glands; and (3) the apocrine glands.
Synonyms:exact_synonym: Abnormal skin appendage
 xref: UMLS:C4023518

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Path 1
Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the integument 0
        Abnormality of skin adnexa morphology 0
          Abnormal hair morphology + 0
          Abnormal sebaceous gland morphology + 0
          Abnormal sweat gland morphology + 0
          Abnormality of the nail + 0
          Skin appendage neoplasm + 0
paths to the root