a form of autonomic ataxia causing irregularity in the peripheral circulation, marked by alternations of pallor and suffusion, due to spasm of the smaller blood vessels.
va·so·mo·tor a·tax·i·a
(vāsō-mōtŏr ă-taksē-ă) Form of autonomic ataxia causing irregularity in peripheral circulation, marked by alternations of pallor and suffusion, due to spasm of the smaller blood vessels.