| pineal gland |
An endocrine organ found in the brain. In some animals, it seems to serve as a light-influenced biological clock.
Ãâó: www.notathing.com/other/brain/glossary.php
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|---|---|
| pineal |
Secretes melatonin, a hormone involved with daily biological rhythms.
Ãâó: whyfiles.org/045env_hormone/caption.html
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