sacral nerves

(redirected from Sacral spinal nerves)

sacral nerves

Five pairs of spinal nerves, the upper four of which emerge through the posterior sacral foramina, the fifth pair through the sacral hiatus (termination of the sacral canal). All are mixed nerves (motor and sensory).

Sacral nerves

The five pairs of nerves that arise from the lowermost segments of the spinal cord and control bladder, bowel, and pelvic functions. Stimulation of the sacral nerves by an implanted device is a newer treatment for urinary incontinence.
Mentioned in: Urinary Incontinence
References in periodicals archive ?
The lumbosacral plexus is formed by the last lumbar spinal nerve and the first two sacral spinal nerves (Dyce et al, 2010).