Skeletal Muscle

14 terms by tgraham38 

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Perimysium

Connective tissue covering surrounding a fascicle

T Tubles

Finger like invagivations of plasma membrane

Sarcomere

Smallest contractile unit within individual muscle fibers

Epimysium

Connective tissue covering surrounding the muscle

Sarcolemma

Plasma membrane of skeletal muscle fiber

Sarcoplasmic Reticulum

Stores calcium within muscle fiber

Endomysium

Connective tissue covering surrounding individual muscle fibers

Triad

Two terminal cisternae and a T tubule

Myofibrils

Rod like structures within skeletal muscle fiber that contain thin and thick filaments organized into sarcomers

Synaptic vesicle

Found in synaptic end bulbs of axon terminal ;contains neurotransmitter molecules

motor end plate

Area of sacrolemma across from synaptic end bulbs of axon terminal ; contains neurotransmitter receptors

synaptic cleft

Space between synaptic end bulbs of axon terminal and sarcolemma

axon terminal

Divides into synaptic end bulbs at neuromuscular junction

synaptic end bulb

Parts of axon terminal that form neuromuscular junction

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