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The entire spinal column consists of 33 individual bones called vertebrae, plus two sections of naturally fused vertebrae – the sacrum and the coccyx – located at the very bottom of the spine. The center of the spinal cord is hollow and contains a structure called the central canal, which contains cerebrospinal fluid. The spinal cord is also covered by the meninges and enclosed by the neural arches.
Understanding the Context
Together, the brain and spinal cord make up the central nervous system. Spinal stenosis happens when the space inside the backbone is too small. This can put pressure on the spinal cord and nerves that travel through the spine. Spinal stenosis happens most often in the lower back and the neck.
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Some people with spinal stenosis have no symptoms. Others may experience pain, tingling, numbness and muscle weakness. Spinal stenosis is the narrowing of one or more spaces within your spinal canal. It causes symptoms like back or neck pain and tingling in your arms or legs. With spinal stenosis, open spaces within your spine get narrower and pinch your spinal cord and the nerves around it.
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This can cause pain, numbness, and other issues. This human anatomy module is composed of diagrams, illustrations and 3D views of the back, cervical, thoracic and lumbar spinal areas as well as the various vertebrae. It is essential for many functions, such as movement, support, and protecting the spinal cord. A person’s spine runs from their skull to their pelvis. The meaning of SPINAL is of, relating to, or situated near the spinal column. How to use spinal in a sentence.