Muscle Structures

surrounds individual foscicles and seperates muscles into small compartments

surrounds individual muscle fibers

cell membrane of a muscle fiber (cell)

cytoplasm of a muscle fiber (cell)

threads of protein inside the sarcoplasm

thick protein filament inside a myofibril

thin protein filament inside a myofibril

actin filaments attached to z lines

protein to which actin binds

region where myosin over laps actin

unit of muscle from z-line to z-line

nerve cell that connects to muscle fiber

connection between motor neuron and muscle fiber

chemicals that go from neuron to muscle fibers

consists of motor neuron and muscle fiber