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The spinal cord lies inside the spinal column, which is made up of 33 bones called vertebrae .
Intertransversarii are short back muscles that connect adjacent transverse processes of vertebrae .
The cranial nerves are 12 pairs of nerves that can be seen on the ventral (bottom) surface of the brain .
The transversospinalis muscle group is the deep layer of the intrinsic back muscles .
The intrinsic spinal cord veins .
The sympathetic trunks are a paired bundle of nerve fibers that run from the base of the skull to the coccyx .
The occipital nerves are a group of nerves that arise from the C2 and C3 spinal nerves .

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3427724577

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The central nervous system is the brain and spinal cord .

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