- May 2, 2026The scaphoid bridges the proximal and distal carpal rows, making it the mechanical pivot of wrist motion and uniquely vulnerable…
- May 2, 2026The pisiform is a sesamoid bone in the FCU tendon, articulating with the triquetrum at the pisotriquetral joint on its…
- May 2, 2026The hand has two constant sesamoid bones at the thumb MCP joint — one in the flexor pollicis brevis (radial…
- May 2, 2026The wrist has numerous described accessory ossicles, the most clinically significant being the os centrale (between the capitate, scaphoid, and…
- May 2, 2026The wrist has up to 20 described accessory ossification centres that may persist as separate bones rather than fusing to…
- May 2, 2026The five distal phalanges carry the fingernails and fingertip skin, providing the terminal attachment for the flexor and extensor digitorum…
- May 2, 2026The scaphoid is the largest proximal carpal bone and the most commonly fractured wrist bone, lying at the base of…
- May 2, 2026The lunate is a crescent-shaped carpal bone in the central proximal row that is the most commonly dislocated carpal bone,…
- May 2, 2026The triquetrum is a pyramid-shaped carpal bone on the medial side of the proximal row that articulates with the pisiform…
- May 2, 2026The pisiform is a pea-shaped sesamoid bone embedded within the flexor carpi ulnaris tendon, lying anterior to the triquetrum and…