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The Pineal Gland

An overlook of the Endocrine Gland: The Pineal Gland
by

Amanda Mullin

on 14 April 2011

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Transcript of The Pineal Gland

The Pineal Gland Anatomy The pineal gland is super small
It weighs about .1 of a gram It lies deep within the brain between the two cerebral hemispheres and above the third ventricle of the spinal column. More Anatomy It has a rich supply of adrenergic nerve fibers that greatly influence its secretions Microscopically, the gland is composed of pinealocytes The pineal gland is an endocrine gland found in vertebrates near the brain The Pineal Gland is the source of melatonin. Melatonin is the hormone derived from tryptophan that regulates circadian rhythm
(sleeping process) An Overlook (Melatonin is the only hormone secreated by the Pineal gland) Diseases of the Pineal Gland Melatonin Deficiency: Functional deficiency of melatonin production by the pineal gland
Melatonin Excess: Excess production of melatonin by the pineal gland •Insomnia
•Anxiety
•Elevated estrogen/progesterone ratio
•Immune suppression
•Lowered basal body temperature
Symptoms of Melatonin Deficiency It regulates the internal rhythm Other Intresting Facts The Pineal gland is also called the "third eye" and is believed to be, in many ancient religions, the way to see beyond the physical. Influences the development of sexual maturity and the seasonality of breeding and hibernation.
The pineal gland is controlled by the hypothalamus. This small but vital region of the brain lies just above the pituitary and provides the link between the nervous and endocrine systems Hypothalamus
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