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Esdin LS 2 Lec 3 Brain-1

Matter connections matter 4 42113 lateral

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Unformatted text preview: ze doesn't matter connections matter 4 4/21/13 lateral --> interventricular foramen -> third ventricle -> cerebral aqueduct -> fourth ventricle -> central canal Cerebrospinal Fluid Right lateral ventricle Left lateral ventricle fluid circulates through ventricles and around the brain; doesn't feel like 1.4 kilos because floating in fluid; shock absorber produced in lateral, third and fourth ventricles Interventricular foramen Third ventricle Cerebral aqueduct Central canal Fourth ventricle has openings for fluid to leave constantly circulates 500 mL spine unwanted chemicals leaving the brain Cerebrospinal Fluid •  The CSF is produced by group of cells and blood vessels collectively known as the choroid plexus •  The CSF circulates from the lateral ventricles through the interventricular foramen to the third ventricle •  It then goes to the fourth ventricle via the cerebral aqueduct provides nutrients 5 4/21/13 Cerebrospinal Fluid •  From the fourth ventricle it goes to the spinal cord via the central canal Function of the Cerebrospinal Fluid •  Bathes the brain •  Acts as a shock absorber •  Transports nutrients, chemical messengers, and waste products 6 4/21/13 Phrenology 27 brain organs, thought bump (which was perceptible) would signify personality (1758-1828) Korbinian Brodmann discovered various areas of the brain discovered 52 different areas of the brain 1868-1918 7 4/21/13 major part of brain: ce...
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