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muscles
muscle structures
16 cards·by johnny hernandez
a band
region where myosin overlaps actin
actin
thin protien filament inside myofibril
endomysium
surrounds individual muscle fibers
epimysium
surrounds skeletal muscle and fascicles in muscle
i band
actin filaments attached to z lines
motor neuron
nerve cell that connects to muscle fibers
motor unit
consists of motor neuron and muscle fibers
myofibril
thread like protien inside sarcoplasm
myosin
thick protien filament inside myofibril
neuromuscular junction
connection between motor nueron and muscle fiber
neurotransmitters
chemicals that go from neuron to muscle fibers
perimysium
surrounds individual fascicle and seperates small compartments
sarcolemma
cell membrane of muscle fibers (cell)
sarcomere
muscle from zline to zline
sarcoplasm
cytoplasm of a muscle fiber (cell)
z line
protien to which actin binds