The triquetral bone (also called triquetral, os triquetrum, cuneiform bone, pyramidal bone, cubital bone, os pyramidale, os triangulare, three-cornered bone, and triangular bone) is a type of carpal bone. In human anatomy, the carpal bones are the bones of the human wrist. ...
The triquetral bone is located in the wrist on the medial side of the proximal row of the carpus between the lunate and pisiform bones. It is on the ulnar side of the hand, but does not articulate with the ulna. It connects with the pisiform, hamate, and lunate bones. In human anatomy, the wrist is the flexible and narrower connection between the forearm and the hand. ... In Greek mythology, Carpus fruit was a son of Chloris and Boreas. ... Lunate is a term meaning crescent or moon-shaped. ...
Shape
The triquetral bone is pyramid-shaped.
Etymology
Formed from Latin "triquetrus" which means "three-cornered".