joseph ritter von hasner

English - English

Definition of joseph ritter von hasner in English English dictionary

{i} (1819-1892) Czechoslovakian ophthalmologist who in 1850 published a monograph regarding the physiology and pathology of the nasolacrimal duct wherein he described a flap of mucous membrane (now knows as Hasner's valve)

Hyphenation

Jo·seph rit·ter von hasner