lumbar nerve


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lumbar nerve

Any of the five pairs of spinal nerves originating in the lumbar segments of the spinal cord. Each lumbar spinal nerve emerges from the spinal canal through the intervertebral foramen below its corresponding vertebra. Lumbar spinal nerves innervate the lower limbs.
See also: nerve
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Lumbar radiculopathy: treatment with selective lumbar nerve blocks--comparison of effectiveness of triamcinolone and betamethasone injectable suspensions.
Nerves were then transferred to the vertebral canal through a submuscle tunnel and sutured with the selected fascicula of lumbar nerve roots (L1-2 or L3-4) by epiperneurial neurorrhaphy in the subdura or extradura.
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.
These can also involve damage to intercostal or upper lumbar nerves. For example, diabetic truncal radiculopathy can also present with unilateral abdominal wall herniation.
A A laminectomy is performed when one of your lumbar nerves is compressed as it leaves the spine, which causes long-term pain - sciatica.
As per standard textbooks of anatomy, the femoral nerve is the largest branch of the lumbar plexus and it arises from the posterior division of the anterior (ventral) rami of the second, third and fourth lumbar nerves. [2,5] The femoral nerve descends on the psoas major muscle and enters the thigh deep to the inguinal ligament at the lateral edge of the femoral sheath, which separates it from the femoral artery.
Forceful parturation thereafter can lead to damage or paralysis of the gluteal/obturator nerves, lumbar nerves passing over the lumbo sacral joint forming the anterior lumbo sacral plexus.