An interaction between histaminergic and opioidergic units within the CNS was prompt approximately 30 many years ago, by means of an observation that morphine administration resulted in the discharge of histamine and its increased turnover within the periaqueductal grey (Nishibori, Oishi, Itoh, & Saeki, 1985), suggesting that analgesia made https://derrickk383ypf9.wikinarration.com/user