Spinal Cord

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Last updated 5:54 PM on 11/20/24
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9 Terms

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White Matter

Outer layer of the spinal cord containing myelinated axons, responsible for transmitting information up and down the spinal cord.

<p>Outer layer of the spinal cord containing myelinated axons, responsible for transmitting information up and down the spinal cord.</p>
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Gray Matter

Inner "H" or butterfly-shaped region containing neuron cell bodies.

<p>Inner "H" or butterfly-shaped region containing neuron cell bodies.</p>
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Dorsal Root

Contains sensory nerve fibers carrying information from the body to the spinal cord.

<p>Contains sensory nerve fibers carrying information from the body to the spinal cord.</p>
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Dorsal Root Ganglion

A swelling on the dorsal root containing the cell bodies of sensory neurons.

<p>A swelling on the dorsal root containing the cell bodies of sensory neurons.</p>
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Ventral Root

Contains motor neurons sending information from the spinal cord to the muscles.

<p>Contains motor neurons sending information from the spinal cord to the muscles.</p>
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Dorsal Horn

Parts of the gray matter where sensory neurons enter.

<p>Parts of the gray matter where sensory neurons enter.</p>
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Ventral Horn

Parts of the gray matter where motor neurons originate.

<p>Parts of the gray matter where motor neurons originate.</p>
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Central Canal

A small channel in the center of the spinal cord containing cerebrospinal fluid.

<p>A small channel in the center of the spinal cord containing cerebrospinal fluid.</p>
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Spinal Nerve

Formed by the merging of the dorsal and ventral roots; carries sensory and motor information.

<p>Formed by the merging of the dorsal and ventral roots; carries sensory and motor information.</p>