A small (5 to 8 mm or ¼ inch) structure in the human brain that is shaped like a pine cone and located in the center of the brain at the rear of the thalamus. It produces melatonin that it makes from serotonin.
« Back to Glossary IndexA small (5 to 8 mm or ¼ inch) structure in the human brain that is shaped like a pine cone and located in the center of the brain at the rear of the thalamus. It produces melatonin that it makes from serotonin.
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