BIO 335 Lab 8 - I OVERVIEW NEUROANATOMY of the HUMAN BRAIN...

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I. OVERVIEW: NEUROANATOMY of the HUMAN BRAIN The HUMAN NERVOUS SYSTEM consists of functionally specialized areas (subway stops) that are interconnected by axon tracts (subway lines). FUNCTIONAL NEUROANATOMY is the science of knowing what each stop does, where it is located and how it is connected to other stops; this information is the foundation for the clinical practice of neurology, neurosurgery and psychiatry. A neurologist, for example will use this information to determine from a set of symptoms where in the nervous system there may be a problem. The major objectives of the first laboratory session are for you to learn to identify the names, locations and major functions of some of the main "stops" and "lines" of the human brain and be able to find them in fresh brain specimens. The major objectives of the second laboratory session are for you to learn to identify the names, locations and functions of major MOTOR structures of the human brain and be able to
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find them in fresh brain specimens.
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II. BACKGROUND INFORMATION: INTRODUCTION TO THE BRAIN'S CELLS, CIRCUITS AND PLUMBING. http://en.wikipedia.org/wiki/Cellular_neuroscience 1. Cells: Neurons (soma, axon, dendrites) Function: Inhibitory, excitatory Connections: interneuron, projection neuron Shape/morphology: pyramidal, non- pyramidal Glia (astrocytes, oligodendrocytes, microglia, Schwann cells) 2. White Matter: ( where axons are) Tract Nerve Commisure Decussation Peduncle 3. Gray matter ( where cell bodies and dendrites are) Nucleus Cortex Gyrus 4. Ventricles: ( Buoyancy, nutrient delivery ) Cerebrospinal fluid (CSF) Choroid plexus Ventricles, aqueducts, cisterns Arachnoid granulutions/villa 5. Vasculature Sinuses, veins, arteries 6. Brain coverings (dura arachonid, pia mater) Compartmentalization Herniation syndromes 7. Communication: Synapses, circuits and pathways : Chemical, electrical synapses, neurotransmitters Functional specialization and localization Topography
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NAVIGATIONAL TERMS: FOR ADDITIONAL HELP WITH TERMINOLOGY: http://www.medicalneuroscience.com/neuro_glossary.asp#G http://www.csuchico.edu/~pmccaff/syllabi/glossary.htm
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LAB SESSION 1 BASIC ANATOMY AND FUNCTIONAL IDENTIFICATION The major objectives of the first laboratory session are for you to learn to identify the names, locations and major functions of some of the main "stops" and "lines" of the human brain and be able to find them in fresh brain specimens. OBJECTIVES: • To see and handle a human brain, and appreciate its size and scale. • To develop skills in using an idealized atlas to identify regions and structures on an individual brain that may look quite different.
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