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HUMAN PHENOTYPE - ANNOTATIONS

The Human Phenotype Ontology (HPO) is downloaded weekly from http://compbio.charite.de/hudson/job/hpo/lastStableBuild/artifact/ontology/release/hp.obo. The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at http://www.human-phenotype-ontology.org/.
Term:Thin nail
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Accession:HP:0001816 term browser browse the term
Definition:Nail that appears thin when viewed on end.
Comment:No objective standard for nail thickness could be identified. An unsupported claim suggests that nails are 0.5 mm in females and 0.6 mm in males. Thin nails are usually brittle, may easily fray, or break at the free edge. Thin nails usually grow slowly but this definition does not require slow growth of the nail. Note that the term koilonychia is an abnormal shape of the fingernail where the nail has raised ridges and is thin and concave. Since it indicates also other characteristics than thin nails, it should not be used to indicate this. The affected digits should be specified.
Synonyms:exact_synonym: Thin nails
 xref: SNOMEDCT_US:63829008;   UMLS:C0423823


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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the integument 0
        Abnormal skin adnexa morphology 0
          Abnormal nail morphology 0
            Thin nail 0
              Thin fingernail 0
              Thin toenail 0
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