How to Play Poker for Beginners - Learn the Strategy, Fundamentals, Psychology, Game Theory, Math & Advanced Systems

NOTE TO INSTRUCTORS Guyton and Hall Textbook of Medical Physiology Copyright Dedication Preface 1 - Functional Organization of the Human Body and Control of the “Internal Environment” 2 - The Cell and Its Functions 3 - Genetic Control of Protein Synthesis, Cell Function, and Cell Reproduction 4 - Transport of Substances Through Cell Membranes 5 - Membrane Potentials and Action Potentials Basic Physics of Membrane Potentials Membrane Potentials Caused by Ion Concentration Differences Across a Selectively Permeable Membrane The Nernst Equation Describes the Relationship of Diffusion Potential to the Ion Concentration Difference Across a Membrane. The... The Goldman Equation Is Used to Calculate the Diffusion Potential When the Membrane Is Permeable to Several Different Ions. When... Measuring the Membrane Potential Resting Membrane Potential of Neurons Active Transport of Sodium and Potassium Ions Through the Membrane—the Sodium-­Potassium (Na+-­K+) Pump. Recall from Chapter 4 t... Origin of the Normal Resting Membrane Potential Contribution of the Potassium Diffusion Potential. In Figure 5-­5A, we assume that the only movement of ions through the membran... Contribution of Sodium Diffusion Through the Nerve Membrane. Figure 5-­5B shows the addition of slight permeability of the nerve... Contribution of the Na+-­K+ Pump. In Figure 5-­5C, the Na+-­K+ pump is shown to provide an additional contribution to the restin... Neuron Action Potential Resting Stage. The resting stage is the resting membrane potential before the action potential begins. The membrane is said to b... Depolarization Stage. At this time, the membrane suddenly becomes permeable to sodium ions, allowing rapid diffusion of positive... Repolarization Stage. Within a few 10,000ths of a second after the membrane becomes highly permeable to sodium ions, the sodium ... Activation and Inactivation of the Voltage-­Gated Sodium Channel Activation of the Sodium Channel. When the membrane potential becomes less negative than during the resting state, rising from −... Inactivation of the Sodium Channel. The upper right panel of Figure 5-­7 shows a third state of the sodium channel. The same inc... Voltage-­Gated Potassium Channel and Its Activation Initiation of the Action Potential A Positive-­Feedback Cycle Opens the Sodium Channels. As long as the membrane of the nerve fiber remains undisturbed, no action ... Initiation of the Action Potential Occurs Only After the Threshold Potential is Reached. An action potential will not occur unti... Propagation of the Action Potential Direction of Propagation. As demonstrated in Figure 5-­11, an excitable membrane has no single direction of propagation, but the... Plateau in Some Action Potentials Rhythmicity of Some Excitable Tissues—Repetitive Discharge Special Characteristics of Signal Transmission in Nerve Trunks Myelinated and Unmyelinated Nerve Fibers. Figure 5-­15 shows a cross section of a typical small nerve, revealing many large nerv... Saltatory Conduction in Myelinated Fibers from Node to Node. Even though almost no ions can flow through the thick myelin sheath... Velocity of Conduction in Nerve Fibers. The velocity of action potential conduction in nerve fibers varies from as little as 0.2... Excitation—The Process of Eliciting the Action Potential Threshold for Excitation and Acute Local Potentials. A weak negative electrical stimulus may not be able to excite a fiber. Howe... Inhibition of Excitability—Stabilizers and Local Anesthetics In contrast to the factors that increase nerve excitability, membrane-­stabilizing factors can decrease excitability. For exampl... 6 - Contraction of Skeletal Muscle 7 - Excitation of Skeletal Muscle: Neuromuscular Transmission and Excitation-­Contraction Coupling Neuromuscular Junction and Transmission of Impulses from Nerve Endings to Skeletal Muscle Fibers Acetylcholine Opens Ion Channels on Postsynaptic Membranes. Figure 7-2 also shows many small acetylcholine receptors and voltage... Destruction of the Released Acetylcholine by Acetylcholinesterase. The acetylcholine, once released into the synaptic space, con... End Plate Potential and Excitation of the Skeletal Muscle Fiber. The sudden insurgence of sodium ions into the muscle fiber when... Safety Factor for Transmission at the Neuromuscular Junction—Fatigue of the Junction. Ordinarily, each impulse that arrives at t... Muscle Action Potential Excitation-­Contraction Coupling Transverse Tubule–Sarcoplasmic Reticulum System Release of Calcium Ions by the Sarcoplasmic Reticulum Calcium Pump Removes Calcium Ions from the ­Myofibrillar Fluid After Contraction Occurs. Once the calcium ions have been release... Excitatory Pulse of Calcium Ions. The normal resting state concentration (