pisiform bone


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Related to pisiform bone: triquetral bone

pisiform bone

Etymology: L, pisa, pea, forma, form; AS, ban, bone
a small pea-shaped spheroidal carpal bone in the proximal row of carpal bones. It articulates with the triangular bone and is attached to the flexor retinaculum, the flexor carpi ulnaris, and the abductor digiti minimi.

pis·i·form bone

(pis'i-fōrm bōn)
A small bone resembling a pea in size and shape, in the proximal row of the carpus, lying on the anterior surface of the triquetral, with which it articulates; it gives insertion to the tendon of the flexor carpi ulnaris muscle.
References in periodicals archive ?
Roentgen aspects of injuries to the pisiform bone and pisotriquetral joint.
Its tendon began at almost same level as that of ulnar head, passed distally on the lateral aspect of the tendon of the ulnar head and slightly proximal to the wrist the two tendons joined together to form a common tendon which ended in the pisiform bone (Fig.
An isolated dislocation of pisiform bone is a very uncommon traumatic lesion.
It then runs along the ulnar border to the wrist, crosses the transverse carpal ligament on the radial side of the pisiform bone, and immediately beyond this bone divides into two branches, which enter into the formation of the superficial and deep palmar arches.