Medical Dictionary
Main Entry:
valve of Has·ner Pronunciation:
-'häs-n&r Function:
noun : PLICA LACRIMALIS Hasner,
Joseph Ritter von Artha (1819–1892), Bohemian ophthalmologist. Hasner was a professor of ophthalmology at Prague. In 1850 hepublished 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.
