Perimysium

Definition

Perimysium is a sheath of connective tissue that groups muscle fibers into bundles (fascicles) within skeletal muscles. This structure provides support and separation for the fascicles, facilitating the flow of blood vessels and nerves to the muscle fibers.

Related terms

Skeletal Muscle:

A type of striated muscle tissue which is under voluntary control and helps in movement by attaching to bones through tendons.

Fascicle:

A bundle of skeletal muscle fibers surrounded by perimysium, acting as a unit within the overall muscle.

Endomysium: A thin layer of connective tissue that surrounds each individual muscle fiber, providing further structural integrity and support within skeletal muscles