The spine, or backbone, is a long column of bones that runs down the center of a person’s back. It is essential for many functions, such as movement, support, and protecting the spinal cord.

The spinal cord is surrounded by cerebrospinal fluid, which suspends it within the 33 vertebrae of the spinal column. Small nerves from the spinal cord branch out from this cylindrical tube.

The spinal cord comprises three parts: the cervical (neck), thoracic (chest), and lumbar (lower back) regions. Three layers of tissue protect the spinal cord: the dura mater, arachnoid mater, and ...

The spinal column is composed of bony structures called vertebrae. The spinal cord is divided into 4 regions: cervical, thoracic, lumbar, and sacral regions.

Spinal stenosis usually occurs in the lumbar region, which is the lower portion of the spine. It's typically treated with nonsurgical pain management, or with surgery such as laminectomy or ...

The cervical spine consists of seven vertebrae, which are the smallest and uppermost in location within the spinal column. Together, the vertebrae support the skull, move the spine, and protect ...

Spinal disks are rubbery pads between the vertebrae, the specialized bones that make up the spinal column. ... The vast majority of disk injuries occur in the lumbar region of the lower back.

The spinal column consists of 33 vertebrae, which form pairs of precursor structures called somites. Somites give rise to not only our vertebrae, but also our ribs and skeletal muscles.