muscle structures

vocabulary

16 cards·by alberto franco

epimysium

sorrounds skeletal muscle and all fascicles in a muscle.

perimysium

sorounds individual fasicles and separates muscle into small comparments.

endomysium

surround individual muscle fibers

sarcolemma

cell membrane of a muscle fiber(cell)

sarcoplasm

cytoplasm of a muscle fiber(cell)

myofibril

threads of protien inside of sarcoplasm

myosin

thick protien filaments inside a myofibril

actin

thin protien filaments inside a myofibril

i band

actin filaments attached to z lines

z line

protien to wich actin blinds

a band

region where myosin overlaps actin

sarcomere

unit of muscle form z line to z line

motor neuron

nerve cell that connects to muscle fiber

neuromuscular junction

connection between motor neuron and muscle fibers

neurotransmitters

cemical that got from neuron to muscle fibers

motor unit

consist of motro neuron and a muscle fiber.