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Muscles
Human body and skeletal muscles
16 cards·by Renie88
Epimysium
Surround skeletal muscles and all foscicles in a muscle
Perimysium
Surrounds individual foscicles and seperate muscles into small compartments
Endomysium
Surround individual muscle fibers
Sarcolemma
cell membrane of muscles of a fiber(cell)
Sarcoplasm
cytoplasm of a muscle fiber
myofibril
threads of protien inside a sarcoplasm
myosin
thick protein filament inside a myofibril
Actin
thin protien filament inside the myofibril
I Band
actin filaments attached to z-lines
z Lines
protein to which actin binds
A Band
Region where myosin overlaps actin
Sarcomere
Unit of muscle from Z-line to Z-line
motor neuron
nerve cell that connects to muscle fibers
neuromuscular junction
connection between motor neuron and muscle fibers
neurotransmitter
chemicals that go from neuron to muscle fibers
Motor Unit
consist of motor neuron and muscle fiber