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We have 31 pairs of spinal nerves and they are named after the section of the spine they come out of. 8 pairs of cervical nerves (C1-C8) 12 pairs of thoracic nerves (T1 â T12) 5 pairs of lumbar nerves (L1-L5) 5 pairs of sacral nerves (S1-S5)
THE SPINAL CORD. The spinal cord has 31 pairs of spinal nerves. These are attached at regular intervals corresponding to the paired somites and to the paired nodules of the neural crest. Each spinal nerve is similar in developmental sequence, structure and fundamental plan.