chronic anterior poliomyelitis, an inflammation of the gray matter in the spinal cord, resulting in atrophy of muscles of the upper extremities and neck, with long periods of remission of symptoms. See also poliomyelitis.
chronic anterior poliomyelitis, an inflammation of the gray matter in the spinal cord, resulting in atrophy of muscles of the upper extremities and neck, with long periods of remission of symptoms. See also poliomyelitis.