See Also: physostigmine(medicine)
physostigmine(dictionary)
physostigmine salicylate(medicine)

physostigmine (iou)



physostigmine noun. M19.
[from PHYSOSTIGMA + -INE5.]
Chemistry & Pharmacology. A tricyclic alkaloid, C15H21N3O2, which is the active principle of the Calabar bean and is used medicinally (esp. as a miotic) on account of its anticholinesterase activity.