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General somatic efferent fibers

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General somatic efferent fibers
Gray799
Scheme showing structure of a typical spinal nerve.
1. Somatic efferent.
2. Somatic afferent.
3,4,5. Sympathetic efferent.
6,7. Sympathetic afferent.
Latin '
Gray's subject #190 849
System
MeSH [1]
[[Image:|190px|center|]]

The somatic efferent neurons (GSE, 'somatomotor, or somatic motor fibers), arise from motor neuron cell bodies in the ventral horns of the gray matter within the spinal cord. They exit the spinal cord through the ventral roots, carrying motor impulses to skeletal muscle.

Of the somatic efferent neurons, there exist subtypes.

Examples of nerves that contain GSE fibers include the oculomotor nerve, the trochlear nerve, the abducens nerve, and the hypoglossal nerve. [1]

See alsoEdit

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.


ReferencesEdit

  1. Mehta, Samir et al. Step-Up: A High-Yield, Systems-Based Review for the USMLE Step 1. Baltimore, MD: LWW, 2003.


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