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 article, the fifth in an eight-part series on the endocrine system, explores the anatomy and physiology of the pineal and thymus glands, and describes how they regulate and coordinate vital ...

Researchers have elucidated how a single photoreceptor in the pineal gland of zebrafish detects color. We see color because photoreceptor cones in our eyes detect light waves corresponding to red ...