2010 BIO 203 Lecture 10

2010 BIO 203 Lecture 10 - BIO 203 Cellular and Organ...

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2/22/2010 1 BIO 203 Cellular and Organ Physiology Professor John Cabot Office: Life Sciences Building, Room 536 Office Hours: Tuesdays, 1-2:30 pm Thursdays, 1-2:30 pm E-Mails: Please include your name and SB ID #. Introduction to the Central and Peripheral Nervous Systems
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2/22/2010 2 Structural Organization of the Nervous System Sensory information going into the central nervous system Motor information exiting the central nervous system Cellular Constituents of the Central Nervous System Neurons Glia (Neuroglia) Ratio of Neuroglia to Neurons: ≈ 10:1
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2/22/2010 3 Types of Glia Ratio of Neuroglia to Neurons: 10:1 Functions: Surround soma, axon and dendrites of neurons, and physically and metabolically support neurons, help form blood brain barrier Types of Glia Maintain chemical environment Blood-Brain Barrier Reuptake of neurotransmitters
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