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muscle system
muscle
16 cards·by kimberlyjauregui
what is epimysium?
surrounds skeletal muscle and all fasicles in muscle
what is perimysium?
surrounds individual fasicals and separates muscle into small comporents
what is enomysium?
surrounds individual muscle fibers
what is sarcolemma?
cell membrane of muscle fiber(cell)
what is sarcoplasm?
cytoplasm of muscle fibers(cell)
what is myofibril?
thread of protien inside the sacroplasm
what is myosin?
thick protien filament inside the myofibril
what is actin?
thin protien filament inside the myofibril
what is I band?
actin filamets attached to the z line
what is Z line?
protien to which actin can bind
what is A band?
region where myosin overlaps actin
what is sarcomere?
unit of muscle from Z line to Z ine
what is motor neuron?
nerve cell that connects to muscle fibers
what is neuromuscular junction?
connection between motor neuron and muscle fibers
what is neurotransitters?
chemical that goes from neuron to muscle fibers
what is motor unit?
consist of motor neuron and muscle fiber