Spinal Cord

The spinal cord is a long, thin bundle of nerves that extends from the brainstem down to the lower back. It is responsible for carrying messages between the brain and the rest of the body. The spinal cord is protected by the vertebral column (the bones of the spine).

There are two main types of cells in the spinal cord: neurons and glial cells. Neurons are the cells that carry messages between the brain and the body. Glial cells support and protect the neurons.

The spinal cord is divided into four main regions: the cervical (neck), thoracic (chest), lumbar (lower back), and sacral (tailbone) regions. Each region is divided into segments, and each segment is innervated by a pair of spinal nerves.

The spinal cord is a vital part of the nervous system. It is responsible for carrying messages between the brain and the body. Damage to the spinal cord can result in paralysis, loss of sensation, and even death.

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