フリクテンMeanings1nounphlycten; phlyctenamedicineMedical term for a small blister or vesicle, especially on the conjunctiva or cornea. Used in ophthalmology and dermatology.フリクテンは結けつ膜まくにできる小ちいさな水すい疱ほうです。A phlycten is a small blister that forms on the conjunctiva.