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The wrist is a complex joint that bridges the hand to the forearm. It is actually a collection of multiple bones and joints. The bones comprising the wrist include the distal ends of the radius and ulna, 8 carpal bones, and the proximal portions of the 5 metacarpal bones (see the images below).Bones of the wrist, palmar view. Bones of the wrist, enlarged view.he proximal row is found at the level of the distal wrist crease and includes the scaphoid, lunate, triquetrum, and pisiform. The second row of carpal bones, the distal row, is made up of the trapezium, trapezoid, capitate, and hamate; the distal row articulates with the bases of the 5 metacarpal bones.
Bone is made up of an organic part and an inorganic part. Almost every bone in your body is made of the same materials: 1  Organic-this is also known as the osteoid. 2  It consists of 90% collagen and other specialised proteins such as osteocalcin and osteonectin. 3  It gives the bone a degree of flexibility.