Yahoo Search Búsqueda web

Resultado de búsqueda

  1. en.wikipedia.org › wiki › OpioidOpioid - Wikipedia

    Hace 21 horas · Chemical structure of morphine, the prototypical opioid. [1] Opioids are a class of drugs that derive from, or mimic, natural substances found in the opium poppy plant. Opioids work in the brain to produce a variety of effects, including pain relief. As a class of substances, they act on opioid receptors to produce morphine -like effects.