An conversation in between histaminergic and opioidergic units within the CNS was suggested nearly thirty years ago, by means of an observation that morphine administration resulted in the discharge of histamine and its increased turnover from the periaqueductal grey (Nishibori, Oishi, Itoh, & Saeki, 1985), suggesting that analgesia produced https://georgey172xvr1.bloggactivo.com/26454111/about-block-pain-receptors-with-proleviate