|poliomyelitis (pō'lē-ō-mī'ə-lī'tĭs) Pronunciation Key
A highly communicable infectious disease caused by the poliovirus of the genus Enterovirus that causes inflammation of motor neurons of the spinal cord and brainstem, leading to paralysis, muscular atrophy, and often disability and deformity. Childhood vaccinations are given to prevent infection. Also called polio.
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