Flexor retinaculum of the hand Flexor retinaculum of the hand The flexor retinaculum (transverse carpal ligament, or anterior annular ligament) is a fibrous band on the palmar side of the hand near the wrist. It arches over the carpal bones of the hands, covering them and forming the carpal tunnel. The flexor retinaculum is a strong, fibrous band that covers the carpal bones on the palmar side of the hand near the wrist. It attaches to the bones near the radius and ulna. On the ulnar side, the flexor retinaculum attaches to the pisiform bone and the hook of the hamate bone. On the radial
Traditional Chinese medicines derived from the human body "cruel or foul". Li Shizhen sharply criticized medicinal usage of bone and flesh. In ancient times, people thought it a benevolent deed to bury discarded human bones. Such people thought that they would be rewarded with good. But some alchemists [方伎] collect human bones and use them as a drug with the hope of making a profit from them. Should this be done to those who save people from diseases? Even dogs do not eat the bones of dogs. Why should a human eat the bones of other humans? (52.27, tr. Luo 2003: 4178-9) Under the 52.34 human flesh entry,