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a poisonous alkaloid derived from the flowering heads (mescal buttons) of a Mexican cactus; it is a hallucinogen, producing hallucinations of sound and color.
The most active alkaloid present in the buttons of the mescal cactus, Lophophora williamsii. Mescaline produces psychotomimetic effects similar to those produced by LSD: alteration in mood, changes in perception, reveries, visual hallucinations, delusions, depersonalization, mydriasis, hippus, and increases in body temperature and blood pressure; psychic dependence, tolerance, and cross-tolerance to LSD and psilocybin develop; the principal component of peyote; 3,4,5-trimethoxyphenylethylamine.
A hallucinogenic alkaloid, C11H17NO3, obtained from peyote buttons and used by certain Native American tribes in religious rituals and illicitly as a recreational drug.
mescalineA hallucinogenic psychotropic alkaloid derived from the peyote cactus (Lophophora williamsii), which is similar to indole alkaloids (e.g., psilocin, bufotenin, ibogaine) and LSD.
mescalineSubstance abuse A hallucinogenic psychotropic alkaloid, derived from the peyote cactus–Lophophora williamsii; it is similar to indole alkaloids–eg, psilocin, bufotenin, ibogaine, and LSD. See Hallucinogen.
Naturally occurring psychedelic drug in long use, especially in Native American religious ceremonies; produces visual hallucinations and radically altered states of consciousness, often experienced as pleasurable and illuminating but occasionally as anxious or revolting. Schedule I hallucinogen; considered a poisonous alkaloid. Also called peyote.
mescalinea psychoactive drug that produces hallucinatory effects in humans probably by interfering with NORADRENALINE at nerve synapses.
The most active alkaloid present in the buttons of the mescal cactus, Lophophora williamsii. Has psychotomimetic effects similar to those produced by lysergic acid diethylamide (LSD).