phy·so·stig·mine
(fī'sō-stig'mēn), An alkaloid of physostigma; it is a reversible inhibitor of the cholinesterases and prevents destruction of acetylcholine; used as a cholinergic agent, and experimentally to enhance the action of acetylcholine at any of its sites of liberation.
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eserine
(ĕs′ə-rēn′)The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
eserine
An ANTICHOLINESTERASE drug sometimes used to constrict the pupil and treat GLAUCOMA.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
eserine
a plant alkaloid that is capable of blocking CHOLINESTERASE.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
physostigmine
A reversible anticholinesterase drug used as a parasympathomimetic which, when used in the eye constricts the pupil. It may be used in solution of 0.25-1% or ointment 0.25-0.50% in the treatment of glaucoma, but because of its side-effects its usage is rare nowadays. It is sometimes combined with pilocarpine.
Syn. eserine.
See miotics;
neostigmine;
parasympathomimetic drug.
Millodot: Dictionary of Optometry and Visual Science, 7th edition. © 2009 Butterworth-Heinemann