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22 Cards in this Set
- Front
- Back
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axonal terminals |
Axons end in ____ |
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neurotransmitters |
Axonal terminals contain vesicles with ____ |
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gap |
Axonal terminals are separated from the next neuron by a ___ |
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Synaptic cleft |
gap between adjacent neurons
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Synapse |
junction between nerves |
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central nervous system |
Most Neuron Cell Body Location are found in the ____
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Gray matter |
cell bodies and unmyelinated fibers |
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Nuclei |
clusters of cell bodies within the white matter of the central nervous system
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Ganglia |
collections of cell bodies outside the central nervous system |
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Depolarization |
a stimulus depolarizes the neuron’s membrane |
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sodium (Na+) |
A depolarized membrane allows ___ to flow inside the membrane
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action potential |
The exchange of ions initiates an ___ in the neuron |
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entire axon |
If the action potential (nerve impulse) starts, it is propagated over the ___
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Potassium |
___ ions rush out of the neuron after sodium ions rush in.
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sodium-potassium pump |
The ___ restores the original configuration |
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myelin sheath |
Impulses travel faster when fibers have a ___ |
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synapse |
Impulses are able to cross the ___ to another nerve
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Neurotransmitter |
___ is released from a nerve’s axon terminal
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receptors |
The dendrite of the next neuron has ___ that are stimulated by the neurotransmitter
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dendrite |
An action potential is started in the __ |
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Autonomic Nervous System
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the involuntary branch of the nervous system
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Autonomic Nervous System |
consists of only motor nerves |
