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General somatic afferent fibers

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Title: General somatic afferent fibers  
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General somatic afferent fibers

General somatic afferent fibers
Scheme showing structure of a typical spinal nerve.
1. Somatic efferent.
2. Somatic afferent.
3,4,5. Sympathetic efferent.
6,7. Sympathetic afferent.
Anatomical terminology

The general somatic afferent fibers (GSA, or somatic sensory fibers), afferent fibers, arise from cells in the spinal ganglia and are found in all the spinal nerves, except occasionally the first cervical, and conduct impulses of pain, touch and temperature from the surface of the body through the posterior roots to the spinal cord and impulses of muscle sense, tendon sense and joint sense from the deeper structures.

See also

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

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