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eli
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eli

It’s part of the epithalamus in the middle of your brain. It manufactures and secretes melatonin which effects sleeep/wake cycles (circadian rhythms). The pineal gland is reddish-gray and about the size of a grain of rice (5-8 mm) in humans, located just rostro-dorsal to the superior colliculus and behind and beneath the stria medullaris, between the laterally positioned thalamic bodies

From the second and third vertabrae, the superior cervical ganglion supplies its sympathetic innervation
There is also a parasympathetic innervation from the otic nerve

Gibberish
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Gibberish

The pineal gland is a small endocrine gland in the brain that produces melatonin, a hormone that affects the modulation of wake/sleep patterns and photoperiodic (seasonal) functions.

Sometimes pineal glands can form cysts. Smaller cysts (less than 0.5cm) are usually asymptomatic, but larger ones can cause painful headaches, affect your vision, make you dizzy, and cause a buildup of pressure in your brain. Sometimes the best course of action is to undergo endoscopic surgery to remove the cyst, which can resolve the symptoms.

Holly
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Holly

The pineal gland is a small hormone-secreting gland in the brain. It is part of the limbic system; the oldest, most reptilian part of the brain. It is located between the two cerebral hemispheres, near the brain’s centre. In humans, it is about the size of a grain of rice. The pineal gland produces the hormone melatonin, which is responsible for regulating the daily circadian rhythms of the human body. In the day, melatonin levels are low, but rise during the evening and make you feel drowsy. If the pinela gland was damaged or removed, then your sleep cycle would… Read more »