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A bundle of myelinated axons within the white matter of the central nervous system is called a(n):

The spread of an impulse along the membrane of a neuron is called:

The charge difference between the outside and the inside of the plasma membrane of a neuron at rest is called the:

The neuroglia that produce the myelin sheath around axons in the peripheral nervous system are called:

The _____ nervous system consists of sensory neurons and motor neurons that stimulate skeletal muscle contractions.

Which of the labeled structures in the diagram contains synaptic vesicles that store neurotransmitters?  

The space between an axon terminal of a motor neuron and the sarcolemma of a muscle fiber is called the:

Neurotransmitters are released from the _____ into the synaptic cleft.

Clusters of neuronal cell bodies that form gray matter in the brain are called:

The _____ of the brain consists of unmyelinated axons, dendrites, neuron cell bodies and neuroglia.