Skeletal Muscle Structure Part A
Fascicle
a small bundle of muscle fibers
Sarcolemma
cell membrane of a muscle fiber
Sarcoplasmic reticulum
cellular organelle in muscle fiber corresponding to the endoplasmic reticulum
Tendon
cordlike part that attaches a muscle to a bone
Sarcoplasm
cytoplasm of a muscle fiber
Myosin
protein found within thick myofibril
Perimysium
layer of connective tissue that separates a muscle into small bundles called fascicles
Epimysium
layer of connective tissue that surrounds a skeletal muscle
Endomysium
layer of connective tissue that surrounds an individual muscle fiber
Transverse tubule
membranous channel extending inward from muscle fiber membrane
Fascia
network of connective tissue that extends throughout the muscular system
Sarcomere
unit of alternating light and dark striations between z lines
