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Spinal Cord

18,918 المشاهدات· 01/17/24
samer kareem
samer kareem
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The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column. The brain and spinal cord together make up the central nervous system (CNS).

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