Table of Contents
PPT Slide
Topics for Today’s Lecture
Ionic Conditions of “Typical Cells”
Membrane Properties
The Na+/K+ ATPase
Membrane Polarity: Terminology
Changes in Membrane Potential
Ion Movements and Membrane Potential
Graded Potentials
Current Flow During Graded Potential
Spread of Current Flow: Graded Potential
Current Loss Across Plasma Membrane
Current Loss = Decrease in Magnitude with Distance
Ion Channels
The Action Potential
Ion Channels and The Action Potential
Voltage Gated Sodium Channel
Voltage Gated Potassium Channel
Positive Feedback: Na+ Channel Opening During the Action Potential
Action Potential: Step I
Action Potential: Step II
Action Potential: Step III
Action Potential: Step IV
Action Potential: Step V
Action Potential: Step VI
Action Potential: Step VII
Action Potential: Step VIII
The Action Potential: Summary of Ion Flow
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Author: mark
Email: RBrundage@wvu.edu
Home Page: www.as.wvu.edu/~rbrundage
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