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melatonin release from the pineal gland is stimulated by ________ and inhibited by ________.

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genewho

Melatonin release from the pineal gland is stimulated by darkness and inhibited by light.

Melatonin is a hormone that intervenes in multiple cellular processes and is linked to the sleep cycle.

Its elaboration is influenced by the suprachiasmatic nucleus of the hypothalamus, which in turn processes information from the retina regarding patterns of darkness and light.

The release of melatonin occurs in the dark, so its production increases as the ambient light decreases.

Once released by the pineal gland, melatonin reaches all tissues and cells through the circulation of the blood.

Exposure to artificial light, between midnight and four in the morning, causes a complete inhibition of melatonin secretion for the entire time it lasts.

Therefore, we can conclude that the change from night to day and vice versa affects our biological clock which, in turn, sends a signal to the pineal gland, located in the brain, to produce melatonin every 24 hours, which is stimulated by darkness and inhibited by light.

Learn more here: https://brainly.com/question/6580182

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