sacral nerve

Thesaurus

Noun

sacral nerve - any of five pairs of spinal nerves emerging from the sacral region of the spinal cordnervus spinalis, spinal nerve - any of the 31 pairs of nerves emerging from each side of the spinal cord (each attached to the cord by two roots: ventral and dorsal)

sacral nerve

[′sak·rəl ′nərv] (neuroscience) Any of five pairs of spinal nerves in the sacral region which innervate muscles and skin of the lower back, lower extremities, and perineum, and branches to the hypogastric and pelvic plexuses.

sacral nerve

One of five pairs of dorsal or five pairs of ventral spinal nerves originating in the sacral segments of the spinal cord.

Sensory

The dorsal sacral spinal nerves innervate the skin and fascia over the sacrum and the medial gluteal region. The ventral sacral spinal nerves innervate the sacrospinous and sacrotuberous ligaments and the skin of the perineum.

Motor

The dorsal sacral spinal nerves innervate the lower multifidius muscles. The ventral sacral spinal nerves innervate the coccygeus and levator ani muscles.

sacral nerve

Related to sacral nerve: sciatic nerve

noun

Words related to sacral nerve

noun any of five pairs of spinal nerves emerging from the sacral region of the spinal cord

Related Words

nervus spinalis
spinal nerve

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