Fascicle

Definition

A fascicle is a bundle of skeletal muscle fibers surrounded by perimysium, a type of connective tissue. It plays a crucial role in determining the muscle’s strength and range of motion.

Related terms

Skeletal Muscle Fiber: A single muscle cell that contracts in response to stimulation and is the building block of skeletal muscles.

Perimysium:

The connective tissue sheath that groups muscle fibers into fascicles within a skeletal muscle.

Myofibril:

A long, filamentous organelle found inside muscle cells that plays an essential role in muscle contraction