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Spinal Ganglion of Fourth Sacral Nerve (Left)
Nervous System

Spinal Ganglion of Fourth Sacral Nerve (Left)

Ganglion spinale nervi sacralis quarti

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Description

The spinal ganglion of the fourth sacral nerve is the swelling of the posterior root of the fourth sacral nerve. It is located just medial to the split of anterior and posterior roots and is generally in, or just medial, to the fourth sacral foramen.

This ganglion contains cell bodies of the somatic sensory afferents carrying information towards the spinal cord from the skin of the genitals (labia and clitoris), and perianal region.

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Spinal Ganglion

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Spinal ganglia consist of neurons with bifurcated axons, one part connecting to the periphery and the other traveling into the spinal cord.

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