Pisiform bone

Pisiform bone
Left hand anterior view (palmar view). Pisiform bone shown in red.
The left pisiform bone
Details
OriginsUlnar collateral ligament
ArticulationsTriangular
Identifiers
Latinos pisiforme
MeSHD051220
TA98A02.4.08.007
TA21254
FMA23718
Anatomical terms of bone

The pisiform bone (/ˈpsɪfɔːrm/ or /ˈpɪzɪfɔːrm/), also spelled pisiforme (from the Latin pisiformis, pea-shaped), is a small knobbly, sesamoid bone that is found in the wrist. It forms the ulnar border of the carpal tunnel.