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, which modulates …

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 rhythm (the …

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.

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.

Nov 3, 2023 · The pineal gland or epiphysis is located in the diencephalon and releases hormones that alter the state of wakefulness and sleep.

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.

The pineal gland is an endocrine structure of the diencephalon of the brain, and is located inferior and posterior to the thalamus. It is made up of pinealocytes.

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

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. Melatonin regulates the sleep …

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 melatonin, which …