pineal gland
The pineal gland is a small, pinecone-shaped part of the brain that produces the hormone melatonin, which regulates sleep patterns and plays a role in maintaining the body's internal clock.
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The pineal gland is a small, pinecone-shaped part of the brain that produces the hormone melatonin, which regulates sleep patterns and plays a role in maintaining the body's internal clock.
Requires login.