Tendon sheath

Definition

A tendon sheath is a layer of synovial membrane that surrounds a tendon, providing a lubricated tunnel for the tendon to move through smoothly. This structure helps reduce friction between the tendon and surrounding tissues, facilitating ease of movement.

Related terms

Synovial Fluid: A viscous, egg white-like fluid that fills the joint cavities and provides lubrication for smooth joint movement.

Tendon: A tough band of fibrous connective tissue that usually connects muscle to bone and is capable of withstanding tension.

Bursae: Small fluid-filled sacs located near joints that reduce friction between bone and other moving structures such as muscles, tendons, or skin