Melanocyte-stimulating hormone is a collective name for a group of peptide hormones produced by the skin, pituitary gland and hypothalamus in response to ultraviolet (UV) radiation. It plays a key role in producing coloured pigmentation found in the skin, hair and eyes.n Addisonâs disease, the adrenal glands do not produce enough hormones (including cortisol). This leads to a positive feedback loop where the hypothalamus stimulates the pituitary gland to release more adrenocorticotropic hormone to try and stimulate the adrenal glands to produce more cortisol.
Mescaline is a natural hallucinogenic substance that comes from a small spineless cactus called the Peyote, or Lophophora williamsi; the San Pedro Cactus, or Echinopsis pachanoi; and the Peruvian Torch cactus, or the Echinopsis peruviana.
This is found with San Pedro using shamans, Ayahuasca drinkers in the Amazon, the Mazatec who use hallucinogenic mushrooms, and the Huichols who use Peyote (McKenna, 30). The key hallucinogenic alkaloid in the San Pedro cactus is mescaline.Mescaline is unique among drugs in that its main action is a stimulant of the visual and visuo-psychic areas of the cortex (Kluver, 65). This lets the brain experience an altered state of consciousness.n insightful article. on mescaline-containing cacti, including history and anthropology of. Huachuma (San Pedro) and Peyote cultural practices. author unknown. Western society has a negative view of hallucinogenic drugs and the psychedelic experiences that they produce.