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). Specific retinacula include:
- In the wrist:
- In the ankle:
- In the knee:
- "UAMS Department of Neurobiology and Developmental Sciences - Fascia and Membrane Tables". anatomy.uams.edu. Retrieved 2019-04-13.