polio-

An abnormality of the skin or hair pigment (natural substance in plant or animal tissue that gives it its color).

Any degenerative disease of gray matter in the central nervous system.

1. A disease characterized by inflammation of the gray matter of the brain.
2. Poliomyelitis affecting the cerebrum.
3. An acute infectious inflammation of the brain's gray matter, either of the cortex or of the central nuclei.

A neurologic disease of ruminant animals deficient in thiamin. Edema and softening and necrosis of the gray substance of the cerebral cortex are the primary manifestations.

Inflammation of the gray matter of the brain and spinal cord.

Showing a special affinity for the neurons and gray matter of the central nervous system.

Acute inflammation predominantly involving the motor nuclei of the midbrain.

The premature graying or whitening of the hair.