Pisiform bone
| Pisiform bone | |
|---|---|
| Left hand anterior view (palmar view). Pisiform bone shown in red. | |
| The left pisiform bone | |
| Details | |
| Origins | Ulnar collateral ligament | 
| Articulations | Triangular | 
| Identifiers | |
| Latin | os pisiforme | 
| MeSH | D051220 | 
| TA98 | A02.4.08.007 | 
| TA2 | 1254 | 
| FMA | 23718 | 
| Anatomical terms of bone | |
The pisiform bone (/ˈpaɪsɪfɔːrm/ 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.