Triquetral bone bone fragment on lateral views. The etymology derives from the Latin "triquetrus" which means "three-cornered." Therefore, it is sometimes also called the triangular bone or os triangulare. However, "os triangulare" may also refer to a nearby accessory bone. Triquetral bone The triquetral bone (; also called triquetrum, pyramidal, three-faced, and formerly cuneiform 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.
The body in traditional Chinese medicine of all the Yin and Yang energy in the body. The Kidneys also govern the endocrine system, receive air from the lungs, govern bones, govern teeth, control water in the body, and store essence. Dysfunction of the Kidneys leads to deficiencies of Yin or Yang. It also leads to imbalanced hormones, weak bones, an impaired sex drive, and dizziness. Water in excess leads to bipolar disorder. Depressive episodes are characterized by Kidney Yin excess while manic episodes are characterized by Kidney Yang excess. The Kidney Meridian begins on the sole, moves up the inner leg to the groin, up the