-It is cylindrical,42-45cm.long and 2cm. thick in mid thoracic region.
-It is more thicker in lower cervical and mid lumber region and smallest at the inferior tip.
-It stop growing at the age of 4 or 5 years.
-Spinal cord acts as a link between the brain and the nerves that stretch throughout the body.
-In spinal cord gray matter are present in inner while white matter is outer side.
-31 pair spinal nerve origanetes from spinal cord.
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