The spinal cord is a long, thin, tubular bundle,of nervous tissue and support cells that extends from the meddula oblongata.
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Spinal Cord ============>>>>>>>
The spinal cord is the most important structure between the body and the brain. The spinal cord extends from the foramen magnum where it is continuous with the medulla to the level of the first or second lumbar vertebrae. It is a vital link between the brain and the body, and from the body to the brain. The spinal cord is 40 to 50 cm long and 1 cm to 1.5 cm in diameter. Two consecutive rows of nerve roots emerge on each of its sides. These nerve roots join distally to form 31 pairs of spinal nerves. It is divided into four regions: cervical, thoracic, lumbar and sacral .
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