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P ineal Gland

P ineal Gland

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P ineal Gland

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  1. Pineal Gland By Brandi Christensen Sarah Schultz Gloria Parks

  2. Location of Pineal Gland • small endocrine gland • located in vertebrate brain (between the hemispheres; in a groove where the two thalamic bodies join) • reddish gray and about the size of a pea • shaped like a pine cone

  3. Function of Pineal Gland • synthesizes and secretes melatonin, which regulates the circadian rhythms of several biological functions & reproductive function of many animals • synthesis and secretion of melatonin is affected by light exposure to the retina • low during the day, high at night • melatonin affects sleep and activity: high melatonin production induces fatigue, decreases motor activity, and lowers body temperature

  4. Pineal gland disorders • Associated with insomnia or seasonal effectiveness disorder (SAD) • Signs & symptoms • Insomnia • Anxiety • Elevated estrogen and progesterone levels • Immune suppression • Associated with seasonal effectiveness disorder(SAD) • Lowered estrogen and progesterone levels • Low thyroid and adrenal function • Hypotension- low blood pressure Melatonin deficiency Melatonin excess

  5. Current issues with pineal gland • Fluorides affect on the pineal gland • There is a build up of fluoride the pineal gland • in recent study the change the amount • The result were that it caused a overproduction of melatonin

  6. biblography • http://www.restorativemedicine.com/books • http://www.vivo.colostate.edu/hbooks/pathphys/endocrine/otherendo/pineal.html • http://en.wikipedia.org/wiki/Melatonin • http://pjharrislmp.files.wordpress.com/2009/11/awake-52.jpg • http://images.google.com/images?sourceid=navclient&rlz=1T4GGLL_enUS331US332&q=yawning+picture&um=1&ie=UTF-8&ei=_SiHS8-1FYb-tAO51qXhBw&sa=X&oi=image_result_group&ct=title&resnum=1&ved=0CBcQsAQwAA