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Synaptic Vesicle

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

Motor end plate

A specialized area of sarcolemma that contains neurotransmitter receptors.

Synaptic Cleft

Space between synaptic end bulbs of axon terminal and muscle fiber.

Axon Terminal

Branches into synaptic end bulbs at neurotransmitter junction.

Synaptic End Bulb

Part of the axon terminal that forms a neuromuscular junction.

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