Right Hand Bone Structure. There are 27 bones within the wrist and hand. The periosteum forms the outer surface of bone and the endosteum lines the medullary cavity.
Numerous muscles ligaments tendons and sheaths can be found within the hand. The ligaments are fibrous tissues that help bind together the joints in the hand. The wrist itself contains eight small bones called carpals.
Each finger has 3 phalanges and the thumb has 2.
They can be divided into three categories. The bone closest to the palm is called the proximal phalanx. In most textbooks youll find the wrists purpose stated as. The carpal bones fit into a shallow socket formed by the bones of the forearm.