General visceral afferent fibers
- General visceral afferent fibers
Infobox Anatomy
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GraySubject = 190
GrayPage = 849
Caption = Scheme showing structure of a typical spinal nerve.
1. Somatic efferent.
2. Somatic afferent.
3,4,5. Sympathetic efferent.
6,7. Sympathetic afferent.
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System =
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The general visceral afferent fibers (GVA, or sympathetic afferent fibers), conduct sensory impulses from the viscera through the rami communicantes and posterior roots to the spinal cord.
They are probably limited to the white rami connected with the spinal nerves in two groups, viz., the first thoracic to the second lumbar and the second sacral to the fourth sacral nerves.
Examples of nerves containing GVA fibers include the glossopharyngeal nerve and the vagus nerve. [Mehta, Samir et al. Step-Up: A High-Yield, Systems-Based Review for the USMLE Step 1. Baltimore, MD: LWW, 2003.]
ee also
* Afferent nerve
References
References
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