Triquetral bone
Triquetral bone is one of the carpal bones located in the human hand. It is also known as the triquetrum bone, three-cornered bone, or pyramidal bone. It is the third most commonly fractured carpal bone.
Anatomy[edit | edit source]
The triquetral bone is located on the ulnar side of the hand, and it articulates with the lunate bone and pisiform bone, which is a sesamoid bone embedded in the tendon of the flexor carpi ulnaris muscle. The triquetral bone is one of the eight carpal bones that form the wrist and is part of the proximal row of carpal bones.
Clinical significance[edit | edit source]
Fractures of the triquetral bone are usually caused by a fall on an outstretched hand. Symptoms of a triquetral fracture include pain and swelling in the wrist, particularly on the ulnar side. Treatment typically involves immobilization of the wrist in a cast for several weeks. In some cases, surgery may be required.
See also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD