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Etymology: L, ascendere, to rise; Gk, polios, gray, myelos, marrow, itis, inflammation
poliomyelitis that begins in the legs and spreads upward to involve the trunk and respiratory muscles. See also ascending paralysis.
Poliomyelitis in which paralysis begins in the lower extremities and progresses up the legs, thighs, and trunk, and finally involves the respiratory muscles.
See also: poliomyelitis