Erb-Westphal sign

n.
  1. An indication of tabes and certain other spinal cord diseases and, occasionally, of brain disease in which the patellar tendon reflex is absent.Erb's sign Westphal-Erb sign Westphal's sign
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.