A&P 1 Neuron Model

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Last updated 7:27 AM on 10/8/26
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10 Terms

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Cell body (Soma)

the cell's life support center

<p>the cell's life support center</p>
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Nissl bodies

RER in neurons -- synthesize enzymes (e.g., ChAT) and peptide neurotransmitters.

<p>RER in neurons -- synthesize enzymes (e.g., ChAT) and peptide neurotransmitters.</p>
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Dendrites

a neuron's bushy, branching extensions that receive messages and conduct impulses toward the cell body

<p>a neuron's bushy, branching extensions that receive messages and conduct impulses toward the cell body</p>
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Axon

the neuron extension that passes messages through its branches to other neurons or to muscles or glands

<p>the neuron extension that passes messages through its branches to other neurons or to muscles or glands</p>
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Axon terminal

The endpoint of a neuron where neurotransmitters are stored

<p>The endpoint of a neuron where neurotransmitters are stored</p>
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Axon hillock

the cone-shaped area on the cell body from which the axon originates

<p>the cone-shaped area on the cell body from which the axon originates</p>
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Nucleus

A part of the cell containing DNA and RNA and responsible for growth and reproduction

<p>A part of the cell containing DNA and RNA and responsible for growth and reproduction</p>
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Scwann cells

neuroglia that make up the myelin sheath in the PNS

<p>neuroglia that make up the myelin sheath in the PNS</p>
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Nodes of Ranvier

Gaps in the myelin sheath to which voltage-gated sodium channels are confined.

<p>Gaps in the myelin sheath to which voltage-gated sodium channels are confined.</p>
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Endoneurium

loose connective tissue that encloses axons and their myelin sheaths

<p>loose connective tissue that encloses axons and their myelin sheaths</p>