Category:Eserine

Es"er*ine (104), n. Etym: [From native name of the Calabar bean: cf. F. ésérine.] (Chem.)

Defn: An alkaloid found in the Calabar bean, and the seed of Physostigma venenosum; physostigmine. It is used in ophthalmic surgery for its effect in contracting the pupil.