Biernacki sign

Bier·nac·ki sign

(byer-naht'skē sīn)
Analgesia to percussion of the ulnar nerve in tabes dorsalis and dementia paralytica.

Biernacki,

Edmund A., Polish pathologist, 1866-1912.
Biernacki sign - analgesia to percussion of the ulnar nerve in tabes dorsalis and dementia paralytica.