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Sagot :
Through the foramen magnum, this spinal cord travels inferiorly from of the brain and terminates at the position of the cervical vertebra.
The cord therefore extends through 20 bony vertebrae. It ends in a kid at the top L3 border. A dermatome is innervated by each of these segments. The spinal cord runs from the initial lumbar vertebra level to the foramen magnum just at base of the skull. At the foramen magnum, the cord continues into the medulla oblongata. The spinal cord is encased in bone, meninges, & cerebrospinal fluid, just like the brain. The central nervous system, that includes the spinal cord, is extended by the spinal cord. The spinal cord starts in the medulla oblongata, which is located at the base of the brain stem, and ends inside the lower back, where it tapers to create a cone known as the conus medullaris.
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