muscle structures

16 cards·by pradonator

surrounds skeletal muscle and all fascicals in a muscle

epimysium

surrounds individual fasicles and seperates muscle into small compartments

perimysium

surrounds individual muscle fibers

enomysium

cell membrane of a muscle fiber

sarcolemma

cytoplasm of a muscle fiber

sarcoplasm

threads of protein inside the sarcoplasm

myofribril

thick protein filament inside mayofibril

myosin

thin protein filament inside a mayofibril

actin

actin filaments attached to Zlines

i band

protein to which actin binds

Z line

region where myosin overlaps actin

a band

unit of muscle form z line to z line

sarcomere

nerve cell that connects to muscle fiber

motor neuron

connection between motor neuron and muscle fiber

neuromuscular junctions

chemical that go from neuron to muscle fibers

neurotransmitters

consists of motor neuron and muscle fibers

motor neuron