Pineal gland - definition
an outgrowth of the diencephalon, the pineal gland is an endocrine organ. It secretes melatonin, a hormone involved in regulating circadian rhythms and the sleep cycle.
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2-Minute Neuroscience: Pineal Gland
an outgrowth of the diencephalon, the pineal gland is an endocrine organ. It secretes melatonin, a hormone involved in regulating circadian rhythms and the sleep cycle.
Learn more:
2-Minute Neuroscience: Pineal Gland