Medical Dictionary

triquetral bone

noun tri·que·tral bone \trī-ˈkwē-trel-\

Medical Definition of triquetral bone

  1. :  the bone in the proximal row of the carpus that is third counting from the thumb side of the wrist, has a pyramidal shape, and is situated between the lunate and pisiform bones—called also triangular, triangular bone, triangularis, triquetral, triquetrum

Illustration of triquetral bone

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