Medical Definition of PEYOTE. 1. : a hallucinogenic drug containing mescaline that is derived from peyote buttons and used especially in the religious ceremonies of some American Indian peoples.2.edical Definition of PEYOTE. 1. : a hallucinogenic drug containing mescaline that is derived from peyote buttons and used especially in the religious ceremonies of some American Indian peoples. 2.
Ketamine was invented in 1962 as a very effective anesthetic for routine surgery. It is blocks the neurotransmitter molecule glutamate from its NMDA receptor in brain neurons, and affects primarily the memory center in the hippocampal region of the brain, along with the prefrontal cortex abstract thought center.
Codeine phosphate is used to relieve mild to moderate pain, coughing and diarrhoea. It is an opioidanalgesic, sometimes known as a painkiller. It is used to relieve pain by mimicking the action of endorphins which are pain-reducing chemicals that occur naturally in the body.