Finding
ridged nail
Definitions related to ridged nails:
  • Longitudinal, linear prominences in the nail plate.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • (nail ridging) Straight elevated lines on the nail surface. Ridges may be vertical (running from the cuticle to the nail tip) or horizontal (running from one side of the nail to the other). Vertical ridges are usually not associated with underlying disorders and tend to become more pronounced with age. Horizontal ridges may be associated with metabolic disorders and malnutrition.
    NCI
    U.S. National Cancer Institute, 2021
  • (nail ridging) A disorder characterized by vertical or horizontal ridges on the nails.
    Common Terminology Criteria for Adverse Events
    U.S. National Institutes of Health, 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.