Main Entry: tabes dor·sa·lis

Pronunciation: \-dȯr-ˈsā-ləs, -ˈsal-əs\

Function: noun

: a syphilitic disorder that involves the dorsal horns of the spinal cord and the sensory nerve trunks and that is marked by wasting, pain, lack of coordination of voluntary movements and reflexes, and disorders of sensation, nutrition, and vision—called also locomotor ataxia