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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:Underdeveloped nasolabial fold
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Accession:HP:0010801 term browser browse the term
Definition:Reduced bulkiness of the crease or fold of skin running from the lateral margin of the nose, where nasal base meets the skin of the face, to a point just lateral to the corner of the mouth (cheilion or commissure).
Synonyms:exact_synonym: Flat nasolabial fold;   Nasolabial crease, hypoplastic;   Nasolabial crease, underdeveloped;   Nasolabial fold, hypoplastic;   Shallow nasolabial fold
 xref: UMLS:C4021227

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of head or neck 0
        Abnormality of the head 0
          Abnormality of the face 0
            Abnormality of the nose 0
              Abnormality of the nasolabial region 0
                Underdeveloped nasolabial fold 0
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