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something to do with muscle structures
16 cards·by Valerie Camarena
Epimysium
surrounds skelital muscle and all fasciciles in a muscle
perimysium
surrounds skelital muscle and all fasciciles in a muscle compartment
Endomysium
surround individual muscle fibers
Sarcolemma
cell membrane of a muscle fiber (cell)
Sarcoplasm
cytoplasm of a muscle (cell)
Myofibril
threads of protein inside the sacroplasm
Myosin
thick protein filament inside a myofibril
Actin
thin protein filament inside a myofibril
I band
actin filaments attached to Z-lines
Z line
protein to which actin binds
A band
reigon myosin overlaps actin
Sarcomere
unit of muscle from Z-line to Z-line
Motor Neuron
nerve cell that connects to muscle fiber
Neuromuscular junction
connection between motor neuron and muscle fiber
Neurotransmitters
chemicals that go from neuron to muscle fibers
Motor Unit
consists of motor neuron and a muscle fiber