Melatonin

Introduction The pineal body, also known as the pineal gland, is a small structure extending from the posterior border of the brain within the third ventricle and along the midline (1,2). It is not actually part of the brain, but a member of the endocrine system (1). This pea-sized, pine coned shape structure was first given attention to in 1963 when it was discovered that its chief secretion, melatonin, was involved with various organ and tissue regulation (3). Before …

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