Serotonin Serotonin (pronounced /ˌsɛrəˈtoʊnən/) (5-hydroxytryptamine, or 5-HT) is a monoamine neurotransmitter synthesized in serotonergic neurons in the central nervous system (CNS) and enterochromaffin cells in the gastrointestinal tract of animals including humans. Serotonin is also found in many mushrooms and plants, including fruits and vegetables. Pharmacology The serotonin receptor, or 5-HT receptors, are found […]

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Melatonin N-Acetyl-5-methoxytryptamine (also known as melatonin) is a hormone of the tryptamine class. It is found in animals, plants, fungi, and bacteria. In animals, it functions as a hormone that anticipates the daily onset of darkness;[1] it may have different functions in other organisms but evidently it plays a role in the regulation of the […]

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