sacral nerve

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Related to sacral nerve: sciatic nerve

sacral nerve

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


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.


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

See also: nerve
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Sacral nerve neuromodulation (Interstim) part II: Review of programming.
Long-term durability of sacral nerve stimulation therapy for chronic fecal incontinence.
Sacral nerve stimulation for treatment of intractable pain associated with cauda equina syndrome.
Attempts to relax the urethral sphincter include the use of alpha-blockers, injection of botulinum toxin or sacral nerve stimulation.
The device - like a pacemaker - is the size of a pounds 2 coin and sends electrical pulses to the sacral nerves at the base of the spine.
Some examples are spinal cord stimulators (IPG implants), which are similar to pacemakers; deep brain stimulators; vagus nerve stimulators; sacral nerve stimulators; and gastric electric stimulators.
This edition incorporates 20 new chapters on radiofrequency lesionings, decompression and compression techniques, nerve blocks, percutaneous disketomies, percutaneous kyphoplasty, sacral nerve stimulation, cervical cordotomy, and dorsal root entry zone lesioning techniques.
Normal sacrum and sacral nerve roots were demonstrated.
Comparison of direct bladder and sacral nerve stimulation in spinal cats.
Common presenting symptoms include pain and weakness in the lower limb/hip as a result of sacral nerve root compression and autonomic dysfunction (urinary/rectal incontinence or sexual dysfunction).
-- Chronic sacral nerve stimulation with the implantable InterStim system bridges the gap between conservative treatment for urinary incontience and highly invasive procedures such as urinary diversion, Dr.
Trauma to the perineum or the sacral nerve roots is also a cause of pelvic dysfunction.