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Ch. 6 Muscles

QuestionAnswer
Contractility The ability of a muscle to shorten with force
Muscle cells Muscle fibers
Excitability The capacity of skeletal muscle to respond to a stimulus
Extensibility The ability to be stretched
Epimysium Connective tissue sheath around skeletal muscle
Fascia Connective tissue located outside the epimysium. Surrounds and separates muscles
Muscle fasciculi Bundles of muscle fibers that make up the muscles
Perimysium Loose connective tissue that surrounds muscle fasciculi
Endomysium Connective tissue sheath that surrounds each muscle fiber
Myofibrils A threadlike structure that is found in the cytoplasm of the muscle fiber
actin myofilaments thin myofilaments
myosin myofilaments thick myofilaments
sarcomere
Created by: Lkquigley