Your brain contains a small pine cone-shaped gland called the pineal gland. It’s about the size of a grain of rice. However, that size can vary in animals depending on their location. ‌This tiny gland ...
The pineal gland, a reddish-gray, pine cone-shaped part of the brain, is unremarkable at first glance: It’s about a third of an inch long and tucked deep in the brain, near the center and between both ...