MeSH definition : Hallucinogenic alkaloid isolated from the flowering heads (peyote) of Lophophora (formerly
Anhalonium) williamsii, a Mexican cactus used in Indian religious rites and as an
experimental psychotomimetic. Among its cellular effects are agonist actions at some
types of serotonin receptors. It has no accepted therapeutic uses although it is legal
for religious use by members of the Native American Church.;
Hallucinogenic alkaloid isolated from the flowering heads (peyote) of Lophophora (formerly
Anhalonium) williamsii, a Mexican cactus used in Indian religious rites and as an
experimental psychotomimetic. Among its cellular effects are agonist actions at some
types of serotonin receptors. It has no accepted therapeutic uses although it is legal
for religious use by members of the Native American Church.