<Tr> <Th> FMA </Th> <Td> 39988 </Td> </Tr> <Tr> <Td_colspan="2"> Anatomical terminology (edit on Wikidata) </Td> </Tr> <P> 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 . </P> <P> 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 side, it attaches to the tubercle of the scaphoid bone, and to the medial part of the palmar surface and the ridge of the trapezium bone . </P>

The flexor retinaculum extends between these two bones