ESERINE
Etymology
Noun
eserine (plural eserines)
(chemistry) An alkaloid C₁₅H₂₁N₃O₂, originally extracted from the Calabar bean.
Synonyms
• physostigmine
Source: Wiktionary
Es"er*ine (; 104), n. Etym: [From native name of the Calabar bean: cf. F. ésérine.] (Chem.)
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition
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