Jun 22, 2022 · It’s a part of your endocrine system and secretes the hormone melatonin. Your pineal gland’s main job is to help control the circadian cycle of sleep and wakefulness by secreting melatonin.

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 20, 2022 · The pineal gland’s primary function is to regulate the circadian rhythm, including feeling tired and wakefulness. It does this through the secretion of melatonin.

Sep 8, 2025 · What Is the Function of the Pineal Gland? The pineal gland's most crucial function is producing melatonin, a hormone that it makes in response to darkness. Melatonin helps regulate …

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 …

Mar 4, 2025 · What is the pineal gland’s function? The primary function of the human pineal gland is to control the nighttime secretion of melatonin, thereby regulating the circadian system and sleep patterns.

From the SCN, the nerve signal is carried to the spinal cord and eventually to the pineal gland, where the production of melatonin is inhibited. As a result, blood levels of melatonin fall, promoting …

Dec 12, 2021 · The pineal gland (also called the epiphysis cerebri) is a small, pinecone-shaped neuroendocrine organ in the diencephalon region of the brain (the part of the brain just above the …

The primary function of the pineal gland is to receive signals about the state of the light-dark cycle from the immediate environment and then transmit this information by producing and secreting melatonin. …

Jul 23, 2025 · The pineal gland is a small, pinecone-shaped endocrine gland located deep within the brain. It plays a role in various bodily functions, primarily by regulating circadian rhythms. This article …