Flexor retinaculum of wrist
Muscles · Latin: Retinaculum flexorium carpi
FLEXOR RETINACULUM OF WRIST/ 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.
Definition from Wikipedia, CC BY-SA 4.0.