Anatomical Abnormality
hallux valgus
hal·lux val·gus [ hal-uh ks val-guhs ]
Subclass of:
Foot Deformities
Definitions related to hallux valgus:
  • A deformity characterized by lateral deviation of the great toe.
    NCI
    U.S. National Cancer Institute, 2021
  • Lateral deviation of the great toe (i.e., in the direction of the little toe).
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • Lateral displacement of the great toe (HALLUX), producing deformity of the first METATARSOPHALANGEAL JOINT with callous, bursa, or BUNION formation over the bony prominence.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Hallux valgus is considered to be a medial deviation of the first metatarsal and lateral deviation and/or rotation of the hallux, with or without medial soft-tissue enlargement of the first metatarsal head. This condition can lead to painful motion of the joint or difficulty with footwear.
    Medscape
    WebMD, 2025
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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.