Spinal cord

 

 

The spinal cord is housed in the vertebral canal, which is the hollow (or inside) of the vertebral column. The spinal cord is a more primitive center of coordination and it is capable of control without any directive from the brain. This, it exercises in the process called spinal reflexes.

This consist of spinal (associated with spinal cord)and cranial (associated with brain) nerves. Spinal cord has 31 nerves. They are all called spinal nerves

Motor nerves are provided with multipolar neurons as opposed to the pseudounipolar neurons of the sensory nerves. Multipolar neurons have only one axon and several dendritic processes. Their cell bodies lie in the central nervous system

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Cervical nerves are C1-8

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Thoracic T1-12

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Lumbar L1-5

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Sacral S1-5

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Coccygeal Co1

Structure

Ths spinal cord is divided into the following parts
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Covering of meninges

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White matter

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Grey matter

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Central canal

 

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