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Polydactyly, Postaxial [Supplementary Concept]

Polydactyly characterized by a well-formed extra digit that articulates with the fifth or a sixth metacarpal (Type A); or by a poorly developed extra digit (Type B). Both types occur at significantly higher frequency in African and African-American populations and are caused by mutations in the GLI3 gene. OMIM: 174200

Date introduced: November 5, 2012

MeSH Unique ID: C562429

Heading Mapped to:

Entry Terms:

  • Postaxial Polydactyly, Type B
  • Polydactyly, Postaxial, Type A1
  • Postaxial Polydactyly, Type A

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