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Muscular System
Myosin
16 cards·by #basic
Myosin
thick muscle fiber
Actin
thin muscle fiber
Sacromere
unit that goes from Z-line to Z-line
Myofibril
threads inside the cytoplasm(sacromere)of a muscle fiber
Sacrolemma
cell membrane of a muscle fiber
Sacroplasm
cytoplasmof a muscle fiber
I band
actin filaments attached to Z-lines
A band
region where myosin overlaps actin
Motor Neuron
nerve cell that connects to muscle fiber
Epimysium
surrounds skeletal muscle and all fasicals in muscle
Perimysium
surrounds indivdual fasicals and seperates muscle in small compartments
Endomysium
surrounds indivdual muscle fiber
Neuomusclar junction
connection between motor neuron and mucle fiber
Neurotransmitters
chemicals that go from neuron to muscle fiber
Motor Unit
consits of motor neuron and a muscle fiber
Z-line
protien to which actin binds