tendon bundle

ten·don bun·dle

a group of tendon fibers surrounded by a sheath of irregular connective tissue (peritendineum).
References in periodicals archive ?
This tiny tendon bundle is attached to 10 to 20 muscle fibers in humans, (5) coming from 2 to 15 different motor units (7) within the same muscle, allowing a GTO to "sample" tension from many parts of a muscle.