A spinal nerve is a mixed nerve, which carries motor, sensory, and autonomic signals between the spinal cord and the body. In the human body there are...

pair of sensory nerve roots and one pair of motor nerve roots. The nerve roots then merge into bilaterally symmetrical pairs of spinal nerves. The peripheral...

the spinal accessory nerve. Strength testing of these muscles can be measured during a neurological examination to assess function of the spinal accessory...

of sciatica is due to a spinal disc herniation pressing on one of the lumbar or sacral nerve roots. Spondylolisthesis, spinal stenosis, piriformis syndrome...

dorsal ramus of spinal nerve, posterior ramus of spinal nerve, or posterior primary division is the posterior division of a spinal nerve. The dorsal rami...

ramus (pl.: rami) (Latin for 'branch') is the anterior division of a spinal nerve. The ventral rami supply the antero-lateral parts of the trunk and the...

arise from the merging of the anterior rami of spinal nerves and blood vessels. There are five spinal nerve plexuses, except in the thoracic region, as well...

extensor hallucis longus Lumbar spinal nerve 3 Lumbar spinal nerve 4 Lumbar spinal nerve 5 The spinal cord with spinal nerves The plan of the lumbosacral...

The sacral spinal nerve 1 (S1) is a spinal nerve of the sacral segment. It originates from the spinal column from below the 1st body of the sacrum S1 supplies...

The cervical spinal nerve 8 (C8) is a spinal nerve of the cervical segment. It originates from the spinal column from below the cervical vertebra 7 (C7)...