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lab 8 - Lab#8 Histology of the Nervous System ex.17...

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Click to edit Master subtitle style 2/25/11 Lab #8 Histology of the Nervous System ( ex.17 ) Dissection of the Sheep Brain-demo Gross Anatomy of the Brain ( ex. 19 )
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2/25/11
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2/25/11 Nervous System Central Nervous System (CNS):- brain and spinal cord Peripheral Nervous System (PNS):- all of the nervous system except the brain and spinal cord.
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2/25/11 Nervous system Is made of two types of cells - Neurons and Glial Cells (Astroytes, oligodendrocytes,microglia,andepend ymal cells)
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2/25/11 Neuron Anatomy Cell body :- control center of the neuron which has a large nucleolus. Neurofibrils:- cytoskeletal elements that function in support and intracellular transport. Nissl Bodies:- are granules of rough ER. Dendrites:- receptive regions of the neurons Axon:- generate and conduct nerve impulses. Synaptic knob :- the distal end
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2/25/11
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2/25/11
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2/25/11 Neuron = cell body + processes Cell body Forms the grey matter in the brain and spinal cord Clusters of bodies form nuclei ( CNS ) and ganglia ( PNS ) Processes Axon = nerve fiber Dendrite(s) They form tracts of white matter and the peripheral nerves
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2/25/11
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