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Anatomy-Muscles

Muscles

TermDefinition
Contractility The ability of skeletal muscle to shorten with force?
Excitsbility The capacity of skeletal muscle to respond to a stimulus?
Extensibility The ability to be stretched
Elasticity The ability to recoil their original resting length after they have been stretched?
Epimysium The the connective tissue sheath covering that surrounds skeletal muscle
Fascia Connective tissue located outside of the epimysium
Muscle Fasciculi (Fascicle) A muscle is composed of numerous visible bundles called
Perumysium Fasciculi (Fascicle) are surrounded by loose connective tissue called
Fibers The fascuculi are composed of single muscles cells called
Ebdomysium Each fiber is surrounded by a connective tissue seath called
Myofibrils The cytoplasm of each fiber is filled with
Myofibrils A thread like structure that extends from one end of the fiber to the other
Actin and Myosin Myofilaments What are the two major kinds of protein fibers that are in Myofibrils
Actin This resembles 2 minute strands of pearls twisted together
Myosin This resembles bundles of minute golf clubs
Sacromeres Actin and myosin myofilaments form highly ordered units called
Created by: sarastarkey
 

 



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