triquetral bone

noun
tri·​que·​tral bone | \ trī-ˈkwē-trel- How to pronounce triquetral bone (audio) \

Medical Definition of triquetral bone

: 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

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