Medical Dictionary

valve of Hasner

noun valve of Has·ner \-ˈhäs-nər\

Medical Definition of VALVE OF HASNER

Biographical Note for VALVE OF HASNER

Hasner, Joseph Ritter von Artha (1819–1892), Bohemian ophthalmologist. Hasner was a professor of ophthalmology at Prague. In 1850 he published a monograph on the physiology and pathology of the nasolacrimal duct in which he described a fold of mucous membrane that is now sometimes called the valve of Hasner.


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears