An conversation between histaminergic and opioidergic programs within the CNS was instructed nearly 30 years in the past, via an observation that morphine administration resulted in the discharge of histamine and its elevated turnover from the periaqueductal gray (Nishibori, Oishi, Itoh, & Saeki, 1985), suggesting that analgesia produced by https://fionac172wnf8.wikievia.com/user