Os Pisiforme (Noun)
Meaning
A small wrist bone that articulates only with the triquetral.
Classification
Nouns denoting body parts.
Examples
- The os pisiforme is a small, pea-shaped bone located in the proximal row of the carpal bones in the wrist.
- In anatomical terms, the os pisiforme is a sesamoid bone embedded within the tendon of the flexor carpi ulnaris muscle.
- The os pisiforme articulates only with the triquetral bone, forming a joint that allows for slight movement between the two bones.
- A fracture of the os pisiforme can cause pain and stiffness in the wrist, especially when rotating the forearm.
- The os pisiforme is the smallest of the eight carpal bones in the human wrist, but it plays an important role in forming the wrist joint.