Pineal gland
Current as of: May 28, 2019
Author: Healthwise Staff
Medical Review:Kathleen Romito, MD – Family Medicine & Alfred J. Lewy, MD, PhD – Psychiatry
The pineal gland is a small gland in the brain, located just above the brain stem. It makes melatonin. Melatonin is a hormone that helps regulate the sleep-wake cycle.