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muscular system
muscle stuff
16 cards·by Ex0tic_SpYz
surronds skeletal muscle and all fasiclces
Epimysium
surronds individual fasiclcles and separates muscle into small compartments
Perimysium
surronds individual muscle fiber
Endomysium
cell membrane of a muscle fiber
Sarcolemma
cytoplasm of a muscle fiber
Sarcoplasm
threads of protein inside the sarcoplasm
Myofibral
thick protein filament inside a myofibril
Myosin
thin protein filament inside a myofibril
Actin
actin filaments attached to Z-lines
I-band
protein to which actin binds
Z-line
region where myosin overlaps actin
A-band
unit of muscle from Z-line to Z-line
sarcomere
nerve cell that connects to muscle fiber
Motor neuron
connection between motor neuron and muscle fiber
Neuromuscular junction
Chemicals that go from neuron to muscle fibers
Neurotransmitters
consists of motor neuron and a muscle fiber
Motor unit