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Connective tissue covering surrounding a fascicle

T Tubles

Finger like invagivations of plasma membrane


Smallest contractile unit within individual muscle fibers


Connective tissue covering surrounding the muscle


Plasma membrane of skeletal muscle fiber

Sarcoplasmic Reticulum

Stores calcium within muscle fiber


Connective tissue covering surrounding individual muscle fibers


Two terminal cisternae and a T tubule


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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