Class 05 CNS - The Central Nervous System. I CSF,...

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The Central Nervous System. I CSF, Blood-Brain Barrier and Intro to Localization of Function Class #6 September 18, 2008
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Outline General organization of central and peripheral nervous systems Importance of cerebro-spinal fluid, the blood brain barrier; hydro-encephaly Intro to Functional divisions of the brain as illustrated by: Trigeminal neuralgia Aphasias
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Suggested readings Any Intro Bio book on Nervous Systems From “Brain Briefings”: Astrocytes Blood-Brain Barrier Glioma Brain Tumors Website for more info on blood-brain barrier: http://faculty.washington.edu/chudler/bbb.html Website for more info on aphasia: http://www.aphasiahelp.org/ information/aphasia/11_aphasiadysphasia/index.php
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Cutaway view of skull
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All brain regions have an associated fluid- filled canal. The canals are connected and continuous as we see here. The canals are called ventricles in the brain and are filled with cerebro-spinal fluid (CSF).
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Cerebro-spinal fluid (CSF) CSF is produced from blood plasma; There are NO blood cells are in the CSF Specialized cells in the brain (choroid plexus) “filters” blood cells, proteins, sugars and other substances before secreting this cerebro-spinal fluid (CSF) into special channels in the brain (ventricles).
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Ventricles of the Brain contain CSF
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Cerebro-spinal fluid - 2 CSF circulates through the brain and spinal cord in VENTRICLES
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This note was uploaded on 07/15/2009 for the course BIO 208 taught by Professor Lorne-mendell,s during the Fall '08 term at SUNY Stony Brook.

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Class 05 CNS - The Central Nervous System. I CSF,...

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