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. The pisiform is a sesamoid bone, with no covering membrane of periosteum. It is the last carpal bone to ossify.

Jun 14, 2018 · The pisiform (Latin: os pisiforme) is a pea-shaped knobbly bone in the human wrist and the smallest of the eight carpal bones [1]. The name is actually derived from ‘pisum’, the Latin word for ‘pea’, referring to the characteristic shape of the bone [2].

The pisiform is one of eight carpal bones that forms part of the wrist joint. The name pisiform is derived from the Latin word pisum which means "pea". It can be felt on the anteromedial side of the wrist. It is considered a sesamoid bone but contributes to wrist stability. The pisiform can be found in the proximal row of carpal bones.

Oct 30, 2023 · The pisiform bone is a sesamoid bone which lies embedded within the flexor carpi ulnaris tendon, providing a smooth surface for it to glide over. It acts as an important attachment site for both the flexor carpi ulnaris and abductor digiti minimi muscles.

Jul 18, 2023 · The pisiform bone, also known as the pisiform or os pisiforme, is a small, pea-shaped bone located in the human hand. It is one of the eight carpal bones that make up the wrist joint, specifically positioned on the ulnar (pinky finger) side of the hand.

Sep 24, 2021 · The pisiform (os pisiforme) is a small carpal bone on the medial side of the proximal carpal bones row. It is considered a sesamoid bone within the tendon flexor carpi ulnaris.

The pisiform bone is one of the four bones that comprise the proximal row of the carpus or carpal bones that form the wrist. It is the smallest of the carpal bones, is spheroidal in shape, and presents with only one articular surface (see image).

The pisiform bone is a sesamoid bone that lies on the volar surface of the wrist. It articulates only with the triquetrum. The pisiform is rarely fractured and accounts for only 1.3% of all carpal bone fractures. 30 Pisiform fractures are most often caused by a direct blow, such as might occur during a fall on an outstretched hand. Less ...

Dec 13, 2020 · The pisiform bone is a tiny sesamoid bone located in the tendon of the flexor carpi ulnaris muscle. It articulates with the palmar surface of the triquetral bone. Learn more about the anatomy of the bones of the hand in this tutorial.

The pisiform bone is one of the eight carpal bones of the hand. It’s pea-shaped and is found in the proximal row of carpal bones. It’s classified as a sesamoid bone and includes the following bony features: - surfaces: palmar and dorsal surfaces; - landmark: triquetrum articular facet.