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  1. Pineal gland - Wikipedia

    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, …

  2. Pineal gland | Definition, Location, Function, & Disorders

    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 …

  3. Pineal Gland Location, Function, and Conditions - Verywell Health

    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.

  4. Pineal Gland: What It Is, Function & Disorders - Cleveland Clinic

    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.

  5. Pineal Gland Function: What You Should Know - Healthline

    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.

  6. 17.7 The Pineal Gland – Anatomy & Physiology 2e

    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.

  7. Anatomy and Function of Pineal Gland: Cells, Blood, and …

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

  8. Pineal gland: Anatomy, histology and blood supply | Kenhub

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

  9. Pineal Gland: What Is It, Where Is It, Its Function and More | Osmosis

    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. …

  10. Pineal Gland- Definition, Function, Disorders & Anatomy

    6 days ago · 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 …