The pineal gland (also known as the pineal body[1] or epiphysis cerebri) is a small endocrine gland in the brain of most vertebrates. It produces melatonin, a serotonin -derived hormone, …

Jun 22, 2022 · The pineal gland is a tiny endocrine gland in the middle of your brain that helps regulate your body's circadian rhythm by secreting the hormone melatonin.

Dec 13, 2025 · pineal gland, endocrine gland found in vertebrates that is the source of melatonin, a hormone derived from tryptophan that plays a central role in the regulation of circadian …

Sep 8, 2025 · The pineal gland is located deep in the brain, where this tiny organ produces melatonin for sleep. Learn about its anatomy, location, and function.

Dec 23, 2025 · The pineal gland is a small, pea-shaped endocrine gland located deep within the brain and plays a crucial role in regulating circadian rhythms. It secretes the hormone …

Explore the pineal gland’s structure and role, focusing on its cells, blood flow, and the process of calcification.

Jan 26, 2025 · The pineal gland is a small, almond-shaped structure located deep inside the brain, between the left and right hemispheres. Roughly the size of a pea, the pineal gland …

Nov 5, 2024 · Pineal tumors arise in the region of the pineal gland, a small endocrine gland in the brain that produces melatonin. These tumors can vary in type and malignancy, with some …

Mar 4, 2025 · What is the pineal gland? The pineal gland is a small, pinecone-shaped neuroendocrine organ whose primary function is the nighttime secretion of melatonin. …

Nov 21, 2025 · The pineal gland is a small endocrine gland located within the brain. Its main secretion is melatonin, which regulates the circadian rhythm of the body. It is also thought to …