File:Melatonin In The Brain.jpg

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What triggers the release of melatonin in the brain?

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Description
English: A: Reduced light during the night activates a secretion signal through the eyes optic nerve which has direct access to the brain. B: The signal is received by the pineal gland in the middle of the brain. C: The pineal gland produces and releases melatonin that is carried in the blood and throughout the body, triggering sleep and regulating circadian rhythm (your bodies internal 24-hour clock).
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Author KathyG123

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current16:28, 6 June 2019Thumbnail for version as of 16:28, 6 June 20193,300 × 2,700 (1.64 MB)KathyG123 (talk | contribs)User created page with UploadWizard

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