A dermatome is an area of skin supplied by a single spinal nerve. There are 31 pairs of spinal nerves, forming nerve roots that branch from your spinal cord, but only 30 dermatomes. Your spinal ...

It consists of the brain, spinal cord and the retinas of the eyes. The Peripheral Nervous System consists of sensory neurons, ganglia (clusters of neurons) and nerves that connect the central ...

The nerves from the spinal cord extend into regions. The diagram below shows what regions of the body the nerves control. Spinal cord compression happens when there is pressure on the spinal cord.

A pinched nerve in the spinal region is a common yet often misunderstood condition that affects a significant portion of the population at some point in their lives. This condition not only causes ...

Dermatomes are areas of skin that send signals to the brain through the spinal nerves. The dermatome system covers the entire body from the hands and fingers to the feet and toes. The part of a ...

Your nervous system is composed of a network of nerves and nerve cells that carry messages to and from the brain and spinal cord and the rest of the body. A nerve is a bundle of fibers that ...

Your spine is made up of 33 vertebrae. Each one has openings that let nerves from your spinal cord pass through to other parts of the body. When these openings, called neural foramina, get narrow ...

A pinched nerve in the lower back happens when nearby tissue or bone compresses a nerve in the lower part of the spine. Symptoms of a pinched nerve in the lower back include pain, numbness ...

The sciatic nerve is the longest nerve in your body. It starts in your lower back and splits to run through your hips, buttocks, legs, and feet on both sides. Bone spurs and spinal stenosis ...

Doctors hope to use the body's own nerves to bridge the gap in the spinal cord left by paralysing injuries. Dr John Martin, from Columbia University, New York, took a nerve leaving the spine just ...