Disease or Syndrome
hypertrichosis
[ hahy-per-tri-koh-sis ]
Subclass of:
Hair Diseases
Definitions related to hypertrichosis:
  • Excessive hair growth anywhere on the body.
    NCI
    U.S. National Cancer Institute, 2021
  • Excessive hair growth at inappropriate locations, such as on the extremities, the head, and the back. It is caused by genetic or acquired factors, and is an androgen-independent process. This concept does not include HIRSUTISM which is an androgen-dependent excess hair growth in WOMEN and CHILDREN.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Hypertrichosis is increased hair growth that is abnormal in quantity or location.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • A disorder characterized by hair density or length beyond the accepted limits of normal in a particular body region, for a particular age or race.
    Common Terminology Criteria for Adverse Events
    U.S. National Institutes of Health, 2021
  • Hypertrichosis, excessive, abnormal hairiness that may be localized or cover the entire body. Hypertrichosis is associated with disorders such as anorexia, repeated skin trauma, systemic illness, metabolic disorders, and exposure to certain drugs and chemicals. In very rare instances the disorder...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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