… small and large intestine and bacteria cultured from these tissues did not contain either
morphine or … that morphine biosynthesis may occur in rat neural tissues, and that its biosynthesis …

… if exposure to morphine could alter the metabolism of agmatine in rat brain as such changes
… in morphine dependence/withdrawal status. We report that rats exposed to morphine have …

… biosynthesis in the same area. In tolerant animals, the biosynthesis of DA was increased
in all areas of rat brain… during morphine treatment, the levels were increased in some brain …

… biosynthetic pathways for morphine exist in animal and even human tissues such as liver,
blood and brain… of which are identical to morphine) to rat brain synaptic plasma membrane …

… activity of the enzyme were determined in several regions of rat brain. … To determine whether
morphine enhanced … biosynthesis in the rat brain, rats were injected with either 0 (saline), …

… estimate the dynamics of endogenous opioid biosynthesis. In the present studies, we re-examined
the question of morphine's effects on brain opioid systems, focusing in particular on …

… by rat liver, but this conversion is not detectable in rat brain … hypothesis that morphine and
codeine in brain and adrenal … morphinan biosynthesis, we administered ["H]reticuline to rats …

… morphine suggests that in the brains of tolerant rats, the catecholamine biosynthetic pathway
operates more effectively than it does in the brains of naive rats. … whole brain of tolerant rats …

… codeine and free morphine in extracts of rat brain. Because in the morphine biosynthesis
of … in extracts of bovine adrenal gland and rat brain. Even then they still could not decide …

… licated and extended the original anatomical observations of Spector and coworkers by
demonstrating uptake and accumulation of 3H-labeled morphine within defined rat brain areas […