Soviet Medical Encyclopedia

Willis Symptom

Neurology

Also known as: Willis's sign

Historical document, translated for reference. It reflects medical knowledge of the 1920s–30s and is not medical advice.

Summary

This article from the 1928–1936 Soviet Great Medical Encyclopedia describes the Willis symptom, which is characterized by hyperemia of the paralyzed side of the face in cases of peripheral facial nerve paralysis.

Encyclopedia entry (1928–1936)

WILLIS SYMPTOM (more correctly Willis, Thomas), consists of hyperemia of the paralyzed half of the face in cases of peripheral facial nerve paralysis.

Cite this page

“Willis Symptom.” Soviet Medical Encyclopedia. English translation of Bolshaya Meditsinskaya Entsiklopediya, 1st ed. (Moscow, 1928–1936), ed. N. A. Semashko. https://sovietmedicalencyclopedia.pages.dev/article/willis-symptom/