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Excitable Tissues- Nerve Prof. K. Sivapalan
Neuron June 2013Nerve2
Membrane Potential June 2013Nerve3
Recording Electrical Events- Oscilloscope June 2013Nerve4
Basis of Resting Membrane Potential:Gibbs–Donnan effect June 2013Nerve5
Physics of Membrane Potential June 2013Nerve6
EMF with Many Ions June 2013Nerve7
Role of Sodium Potassium Pump June 2013Nerve8
Change in Resting Membrane Potential June 2013Nerve9
Local Response June 2013Nerve10
Action Potential June 2013Nerve11
Ionic Basis of Action Potential June 2013Nerve12
Components of Action Potential June 2013Nerve14
Spread of Action Potential June 2013Nerve15
Conduction in Myelinated Nerve June 2013Nerve16
Myelination June 2013Nerve17
Velocity of Conduction June 2013Nerve18
Fiber Types in Mammalian Nerve June 2013Nerve19
Susceptibility of Nerves Susceptible to: MostIntermediateLeast HypoxiaBAC PressureABC Local anaesthetics CBA June 2013Nerve20
Excitable Tissues- Nerve Prof. K. Sivapalan. Neuron June 2013Nerve2.
Excitable Tissues- Synapse Prof. K. Sivapalan. Synapses June 2013Synapse2.
Learning Objectives Students should be able to: Define resting membrane potential and how it is generated. Relate Nernst Equilibrium potential for sodium,
6.5 Neurons and Synapses U1: Neurons transmit electrical signals.
Neurones & the Action Potential
Passage of an action potential
Action & Resting Potentials. Create the electrical impulses needed for communication in the nervous system They occur in the axons of all neurones.
NEUROMUSCULAR JUNCTION & NERVE IMPULSES. Characteristics of Muscle Tissue 1)Irritability: ability to respond to a stimulus 2)Contractility: ability to.
Nerve Impulse. A nerve impulse is an impulse from another nerve or a stimulus from a nerve receptor. A nerve impulse causes: The permeability of the.
Dr.Sidra Qaiser. Learning Objectives Students should be able to: Define resting membrane potential and how it is generated. Relate Nernst Equilibrium.
Cardiac Muscle Prof. K. Sivapalan.
Heart –Electrical Properties
Bellringer: Water Intoxication What is hyponatremia? Symptoms? What is brain edema? What can it lead to? What is vasopressin and what does it do?
Nervous System Group 1 Abbey Mui, Charlotte Fletcher, Jake Morrissey, Elise DeFazio.
Outline Neuronal excitability Nature of neuronal electrical signals Convey information over distances Convey information to other cells via synapses Signals.
Unit 1 Opener neuro4e-unit-01-opener.jpg.
Nervous System. Neuron (nerve cell) StructureFunction Cell BodyCentral part of the neuron. It contains the nucleus of the cell. where most protein.
The Action Potential Objective: To understand how neurones conduct impulses from one part of the body to another. What is this part of the nervous system.
Nerve Action potential L 21
The Action Potential & Impulse/Signal Propagation
Resting Membrane Potential. Membrane Potentials Electrical signals are the basis for processing information and neuronal response The impulses are.
Dentistry 071 EXCITABLE TISSUES: Nerve And Muscle BY: DR. MAHA HEGAZI, Associate Professor Of Physiology.
The Action Potential. Four Signals Within the Neuron Input signal – occurs at sensor or at points where dendrites are touched by other neurons. Integration.
Neurones & the Action Potential Objective: To understand how neurones conduct impulses from one part of the body to another. Write down anything you can.
Psychology 3600 Action Potential Saltatory Conduction Ion Channels Membrane Currents.
AP Biology Nervous Systems Part 3. Synapse and Neurotransmitter.
Chapter 35-1: Human Body Systems Essential Question: How does the human body maintain homeostasis?
Neurons transmit the message, synapses modulate the message
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Fundamentals of Anatomy & Physiology SIXTH EDITION Chapter 12, part 2 Neural.
April The Neuron & Nerve Impulses
Neurones Dendrites Axon Facilitated diffusion Schwann cells Active transport Myelin Na + /K + pump Synapse.
The Action Potential.
Propagation of the Action Potential The Central Dogma Of Excitable Tissues.
Resting Membrane potentialResting Membrane potential At rest, all cells are negatively charged On inside with respect to charge on exterior.
Chapter 11-Part II Biology 2121
Objective #1 = describe the functions of the nervous system
Physiology of The Nerve Week 4 Dr. Walid Daoud A. Professor.
The Neuron Functions of the nervous system Two parts to the nervous system: Peripheral nervous system – nerves and supporting cells that collects.
Fundamentals of Human Neuropsychology
Action Potential (L4).
- The central nervous system consists of the brain and the spinal cord - sensory information is received by them and interpreted and then processed (responded.
Figure 48.1 Overview of a vertebrate nervous system.
NERVE PHYSIOLOGY Ass. Prof. Dr. Emre Hamurtekin EMU Faculty of Pharmacy.
GRADED POTENTIAL & ACTION POTENTIAL Dr.Mohammed Sharique Ahmed Quadri Assistant prof. Physiology Al Maarefa College.
Neurophysiology Conduction, transmission and integration of neural signals Chapter 3.
Nervous System Electrical Conduction & Impulse to Control Body Function.
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