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Chapter13CNSPart1Marieb

Chapter13CNSPart1Marieb - Ch 13 Central Nervous System Part...

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Unformatted text preview: Ch 13: Central Nervous System Part 1: The Brain p 378 Discuss the organization of the brain, including the major structures and how they relate to one another Review the meninges of the spinal cord and brain, and integrate the formation and flow of CSF with this information. Developed by John Gallagher, MS, DVM Ventricles of the Brain p 381 CSF filled chambers Communicating with central canal of spinal cord Lined by ependymal cells Central Canal of Spinal Cord Fig 13.9 Four Major Brain Subdivisions 1. Brain Stem a. Medulla oblongata b. Pons c. Midbrain 2. Cerebellum 3. Diencephalon a. Hypothalamus b. Thalamus c. Epithalamus 4. Cerebral Hemispheres AKA Cerebrum Fig 13.11 1) Brain stem • Location of autonomic nuclei involved in respiratory and cardiovascular control • Relay stations for sensory and motor neurons • Decussation a. Medulla oblongata b. Pons c. Midbrain 1a) Medulla oblongata Pyramids – Motor output to spinal cord – Decussation Reticular formation – Lower functions – Respiration, sleep, etc. Cranial nerves – VIII, IX, X, XI, XII 1b) Pons Pons = bridge Connects to cerebellum – Via cerebellar prduncles Cranial Nerves – V, VI, VII 1c) Midbrain...
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Chapter13CNSPart1Marieb - Ch 13 Central Nervous System Part...

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