What passes through the flexor retinaculum?

What passes through the flexor retinaculum?

Function. The flexor retinaculum is the roof of the carpal tunnel, through which the median nerve and tendons of muscles which flex the hand pass.

What does the flexor retinaculum contain?

The flexor retinaculum encloses and forms the roof of the carpal tunnel. The ulna aspect of the flexor retinaculum forms the floor of Guyon’s canal. It has superficial and deep layers, which are separate on the radial aspect, containing the tendon of flexor carpi radialis.

What is the function of the retinaculum at the wrist?

Principal function of the flexor retinaculum is to serve as a pulley for the carpal flexor muscles and to stabilize the carpal system. In addition, The volar surface gives rise to muscles of the thenar and hypothenar eminences.

What is the purpose of the retinaculum?

A retinaculum (plural retinacula) is a band of thickened deep fascia around tendons that holds them in place. It is not part of any muscle. Its function is mostly to stabilize a tendon. The term retinaculum is New Latin, derived from the Latin verb retinere (to retain).

What is retinaculum made of?

Structurally, the retinaculum consists of three layers. The deepest layer, the gliding layer, consists of hyaluronic acid-secreting cells. The thick middle layer consists of interspersed elastin fibers, collagen bundles, and fibroblasts.

What is flexor retinaculum of wrist?

Flexor retinaculum is a strong fibrous band which bridges the anterior concavity of the carpal bones thus converts it into a tunnel, the carpal tunnel.

What is a flexor retinaculum?

The flexor retinaculum is a fibrous connective tissue band that forms the anterior roof of the carpal tunnel. Many experts consider the flexor retinaculum synonymous with the transverse carpal ligament and the annular ligament; for this discussion, they will be considered the same structure.