Synovial membrane of synovial tendon sheath

Definition

Alternate def: A synovial sheath is a layer of a tendon sheath containing tendons in the hand and foot. They lie internal to the fibrous tendon sheaths. An example is the common synovial sheath for the flexor tendons. [Wikipedia:Synovial_sheath]

The Synovial membrane of synovial tendon sheath is a part of the Musculoskeletal.