DescriptionMelatonin mechanism.jpg English: meltonin biosynthesis mechanism adricorr7 Date 3 June 2016 Source Own work Author Adricorr7 (talk) Permission...
activity. Sympathetic fibers from the superior cervical ganglion regulate melatonin secretion from the epiphysis. 1, retina; 2, suprachiasmatic nucleus; 3...
