15AnatPhysiol (NXPowerLite) W09

15AnatPhysiol (NXPowerLite) W09 - Introduction to the...

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Unformatted text preview: Introduction to the anatomy of the nervous system A. Nerve cell structure B. Some general aspects of neuroanatomy C. The geography of the nervous system D. The functions of major parts of the nervous system Dendrites Axon (branching) Soma or Cell body Axon terminals (AKA terminal buttons) Synapses-Presynaptic-Postsynaptic-Convergence-Divergence-Neural "messages"-Excitation and inhibition Introduction to the anatomy of the nervous system A. Nerve cell structure B. Some general aspects of neuroanatomy C. The geography of the nervous system D. The functions of major parts of the nervous system Generic Nervous Systems Nuclei (gray matter) Cell bodies, dendrites, synapses Nerves Tracts (often myelinated--white matter) Generic "brain" = Region of nervous system usually at front end that receives input from special distance senses and is usually the most elaborate part of nervous system as well as generally being somewhat in control of the rest Sensory neurons Motor neurons Interneurons Caudal or posterior Ventral Lateral Medial Lateral Medial Lateral Medial Lateral Medial Dorsal Dorsal Ventral Caudal or posterior Dorsal Dorsal Ventral Ventral Dorsal Ventral Caudal or posterior Rostral or anterior Rostral or anterior Ventral Ventral Caudal or posterior Introduction to the anatomy of the nervous system A. Nerve cell structure B. Some general aspects of neuroanatomy C. The geography of the nervous system D. The functions of major parts of the nervous system Brain Cerebral cortex Spinal cord Thalamus Hypothalamus Pituitary Pons Medulla oblongata Cerebellum Superior colliuculus Inferior colliculus top of Spinal cord Myencephalon Metencephalon Mesencephalon (Midbrain) Diencephalon Hindbrain (Nerves of special senses enter; head motor nerves exit in hindbrain.) start of Brain TheBrain-stem Dorsal root (sensory) Ventral root (motor) Dorsal horn Ventral horn Motor neurons Gray matter White matter Thalamus...
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This note was uploaded on 03/29/2011 for the course PSYCH Psych15A taught by Professor A during the Winter '09 term at UCLA.

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15AnatPhysiol (NXPowerLite) W09 - Introduction to the...

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