Sign or Symptom
Beau's lines
Definitions related to beau's lines:
  • A nail dystrophy that is preseents as grooved lines that run from side to side on the fingernail or the toenail that may look like indentations or ridges on the nail plate. They are caused by temporary disruption in the growth of proximal nail matrix. Trauma is usually the initiating factor such as infections, severe medical illnesses, major surgery/anesthesia, medication side effects, and autoimmune disease.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • (horizontal nail ridging) Linear transverse/horizontal groove of one or more nail plates that migrate distally from the proximal nail fold with nail growth, usually secondary to illness, trauma or malnutrition.
    NCI
    U.S. National Cancer Institute, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.