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, …

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 …

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.

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 20, 2022 · The pineal gland is a small, pea-shaped gland in the brain. Experts note it plays a crucial role in the secretion of melatonin and other hormones.

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

Aug 12, 2025 · Pineal cysts are common, usually asymptomatic, and typically found incidentally. Their importance is mainly in the fact that they cannot be distinguished from cystic tumors, …

Inferior but somewhat posterior to the thalamus is the pineal gland, a tiny endocrine gland whose functions are not entirely clear. The pinealocyte cells that make up the pineal gland are known …

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 …