The pineal gland, also known as the "third eye," is a small endocrine gland in the brain. It plays a crucial role in the regulation of circadian rhythms and the production of melatonin, which helps regulate sleep patterns.
Location and Structure of the Pineal Gland
Click to Expand
The pineal gland is located near the center of the brain, between the two hemispheres, and is shaped like a pine cone. It is part of the epithalamus and receives signals from the eyes to regulate the sleep-wake cycle.