physostigmine(redirected from physostigmine challenge test)
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phy·so·stig·mine(fī′sō-stĭg′mēn′) also phy·so·stig·min (-mĭn)
A crystalline alkaloid, C15H21N3O2, extracted from the Calabar bean, used in the form of its sulfate as a miotic and in the form of its salicylate as a cholinergic agent. Also called eserine.
(Elements & Compounds) an alkaloid found in the Calabar bean used esp in eye drops to reduce pressure inside the eyeball. Formula: C15H21N3O2. Also called: eserine
[C19: from New Latin Physostigma genus name, from Greek phusa bladder +stigma mark]
phy•so•stig•mine(ˌfaɪ soʊˈstɪg min, -mɪn)
an alkaloid, C15H21N3O2, used in the treatment of Alzheimer's disease to raise the level of the neurotransmitter acetylcholine.