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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.
mescaline/mes·ca·line/ (mes´kah-lēn) a poisonous alkaloid from the flowering heads (mescal buttons) of a Mexican cactus, Lophophora williamsii; it produces an intoxication with delusions of color and sound.
A hallucinogenic alkaloid, C11H17NO3, obtained from peyote buttons and used by certain Native American tribes in religious rituals and illicitly as a recreational drug.
Etymology: Mex, mezcal
a psychoactive agent with effects similar to LSD, this poisonous alkaloid is derived from a colorless alkaline oil in the flowering heads of the cactus Lophophora williamsii. Closely related chemically to epinephrine, mescaline causes heart palpitations, diaphoresis, pupillary dilation, and anxiety. It is a Schedule I substance. The drug, taken in capsules or dissolved in a drink, produces visual hallucinations, such as color patterns and spatial distortions, but it does not ordinarily induce disorientation. Mescaline is used in some religious ceremonies to produce euphoria and a feeling of ecstasy. Also called peyote.
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).
a poisonous alkaloid derived from the flowering heads (mescal buttons) of a Mexican cactus which produces hallucinations of sound. See also peyote.