Poliomyelitis, also called polio, “polio” refers to the poliovirus, which is an enterovirus that invades the intestines, “myel” refers to the spinal cord which is affected in the disease, and -itis refers to inflammation. So poliomyelitis is an enteroviral disease first enters the body through the intestines, but then spreads and causes nerve injury in the spinal cord. Former US President Franklin D. Roosevelt contracted polio when he was a baby, and it left him wheelchair-bound. CNS and polio- in a brief Broadly speaking, the nervous system consists of two parts. The central nervous system consists of the brain and the spinal cord. So the peripheral nervous system includes the nerves that fan out from the central nervous system to reach the skin, muscles, and organs. Now looking at the cross-section of the brain, there’s the grey matter at the periphery of the brain. This is called the cerebral cortex and consists of nerve cell bodies. Just inside the grey matter of the br...
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