Sign in to save your progress, vote, and build your own decks.Sign in
Muscular System
responsible for the movement of the human body
17 cards·by paula.lopez
cardiacskeletaland smooth muscle
Epimysium
surrounds skeletal muscle and all foscicles in a muscle
Perimysium
surrounds individual fosicicles and separates muscle into small compartements
Endomysium
surrounds individual muscle fibers
Sarcolemma
Cell membrane of a muscle fiber(cell)
Sarcoplasm
cytoplasm of a muscle fiber(cell)
Myofibril
threads of protein inside the sarcoplasm
Myosin
thick protein filament inside a myofibril
Actin
thin protein 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 fiber
Neuromuscular Junction
connection between motor neuron and muscle fiber
Neurotransmitter
chemicals that go from neuron to muscle fibers
Motor Unit
consists of motor neuron and a muscle fiber