4_NeuralMembrABBR - Slide 1 Neuroscience: Exploring the...

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Unformatted text preview: Slide 1 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright 2007 Lippincott Williams & Wilkins Bear: Neuroscience: Exploring the Brain 3e Chapter 03: The Neuronal Membrane at Rest Slide 2 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright 2007 Lippincott Williams & Wilkins Introduction Action potential in the nervous system Action potential vs. resting potential Slide 3 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright 2007 Lippincott Williams & Wilkins The Cast of Chemicals Cytosolic and Extracellular Fluid Water Key ingredient in intracellular and extracellular fluid Key feature uneven charge Slide 4 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright 2007 Lippincott Williams & Wilkins The Cast of Chemicals Cytosolic and Extracellular Fluid (Contd) Ions: Atoms or molecules with a net electrical charge Spheres of hydration Slide 5 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright 2007 Lippincott Williams & Wilkins The Cast of Chemicals The Phospholipid Membrane Hydrophilic Dissolve in water due to uneven electrical charge (e.g., salt) Hydrophobic Does not dissolve in water due to even electrical charge (e.g., oil) Lipids are hydrophobic Contribute to resting and action potentials Slide 6 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright 2007 Lippincott Williams & Wilkins The Cast of Chemicals The Phospholipid Membrane The Phospholipid Bilayer Slide 7 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright 2007 Lippincott Williams & Wilkins The Cast of Chemicals Protein Molecules Enzymes Cytoskeleton Receptors Special transmembrane proteins Control resting and action potentials Slide 8 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright 2007 Lippincott Williams & Wilkins...
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4_NeuralMembrABBR - Slide 1 Neuroscience: Exploring the...

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