sacral nerves


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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 ?
Permanent sacral nerve stimulation (SNS) can eliminate the often embarrassing and inconvenient symptoms of urinary incontinence.
Sagittal and axial plane MRI revealed that sacral nerves were compressed by the angulated sacral vertebral body and lamina on T2-weighted images (Figures 5(c) and 5(d)).
Sagittal and axial plane on T2-weighted images showed that sacral nerves were compressed by the vertebral body (white arrow) (c, d).
Role of C-afferent fibres in the mechanism of action of sacral nerve root neuromodulation in chronic spinal cord injury.
Before the study began, 125 women and 30 men who had frequent, severe urge incontinence refractory to medical therapy underwent a 3-to 7-day test period of sacral nerve stimulation to quantify the effects of trial stimulation on dysfunctional voiding behavior.
Although that did not happen, intermittent voiding was achieved and the dawn of sacral nerve stimulation was upon us.[sup.1,2] In 1981, the University of California, San Francisco initiated the first clinical program on sacral neuromodulation (SNM) followed quickly by a large multi-centred trial from 1985 to 1992.
Medium-term outcome of sacral nerve modulation for constipation.
Zhang rerouted an intercostal nerve from one side of Huocheng's body to the lumbar nerve roots and, in turn, an intercostal nerve from the opposite side of his body to the sacral nerve roots.