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muscle
16 cards·by teefly
epimysium
surrounds skeletal muscle and all fascicles in a muscle
what is perimysium
surrounds indiviual fascicles and seperate muscle into small compartments
what is a endomysium
surrounds indiviual muscle fibers.
what is sacolemma
cell membrane of a muscle fiber
what is sarcoplasm
cytoplasm of a muscle fiber
myofibril
threads of protein inside the sacoplasm
myosin
thick protein fliament inside a myofibril
actin
thin protein filament inside myofibril
Iband
actin filaments attached to zlines
zline
protein to which actin binds
Aband
region where myosin overlaps actin
sarcomere
unit of measure from zline to zline
motor neuron
nereve cell that connects to muscle fibers
neuronmuscular junction
connection between motor neuron and muscle fiber
neurontransmitters
chemicals that go from neuron to muscle fibers
motor unit
consits of motor neuron and a muscle fiber