poliomyelitis po·li·o·my·e·li·tis (pō'lē-ō-mī'ə-lī'tĭs)
A highly infectious viral disease that chiefly affects children and, in its acute forms, causes inflammation of motor neurons of the spinal cord and brainstem, leading to paralysis, muscular atrophy, and often deformity. Also called infantile paralysis.
acute anterior poliomyelitis n.
An acute infectious inflammation of the anterior cornua of the spinal cord caused by the poliomyelitis virus and marked by fever, pains, and gastroenteric disturbances, flaccid paralysis, and atrophy of muscular groups. Also called Heine-Medin disease.