CH 12 THE CENTRAL NERVOUS SYSTEM.pdf - lOMoARcPSD|7319702...

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lOMoARcPSD|7319702 Summary - The Central Nervous System (Ch12) Introduction to Anatomy and Physiology I
lOMoARcPSD|7319702 The BrainCH 12 THE CENTRAL NERVOUS SYSTEMRegions and organizationAdult brain regions:-­­Cerebral hemispheres -­­Diencephalon-­­Brain stem (midbrain, pons, medulla oblongata) -­­CerebellumSpinal cord-­­Central cavity surrounded by a gray matter core -­­External white matter composed of myelinated fiber tracts VentriclesArise from the expansions of the lumen (cavity) of the embryonic neural tubeconnected to one another and with the central canal of the spinal cordlined with ependymal cells (a type of neuroglia)hollow chambers filled with cerebrospinal fluid Include:paired lateral ventricles (one deep within each cerebral hemisphere)-­­largeC-­­shapedchambersthatreflectthepatternofcerebral
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Ventricular system, Lateral ventricles

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