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Muscles
16 cards·by jonathan reyes
A Band
Region where myosin overlaps actin
Actin
thin protien filament inside the myofibril
Endomysium
Surround individual muscle fibers
Epimysium
Surround skeletal muscles and all foscicles in a muscle
I Band
actin filaments attached to the z lines
motor neuron
nerve cell that connects to muscle fibers
Motor Unit
consist of motor neuron and muscle fiber
myofibril
threads of protien inside a sarcoplasm
myosin
thick protein filament inside a myofibril
neuromuscular junction
connection between motor neuron and muscle fibers
neurotransmitter
chemicals that go from neuron to muscle fibers
Perimysium
Surrounds individual foscicles and seperate muscles into small compartments
Sarcolemma
cell membrane of muscles of a fiber
Sarcomere
Unit of muscle from Z-line to Z-line
Sarcoplasm
cytoplasm of a muscle fiber
z Lines
protein to which actin binds