Excitable Tissues- Nerve Prof. K. Sivapalan. Neuron June 2013Nerve2.

Slides:



Advertisements
Similar presentations
Outline Neuronal excitability Nature of neuronal electrical signals Convey information over distances Convey information to other cells via synapses Signals.
Advertisements

Outline Neuronal excitability Nature of neuronal electrical signals Convey information over distances Convey information to other cells via synapses Signals.
Passage of an action potential
Neurones & the Action Potential
Nerve Impulses.
Heart –Electrical Properties
Excitable Tissues- Nerve Prof. K. Sivapalan. Neuron June 2013Nerve2.
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.
Neurons transmit the message, synapses modulate the message
Dentistry 071 EXCITABLE TISSUES: Nerve And Muscle BY: DR. MAHA HEGAZI, Associate Professor Of Physiology.
Cardiac Muscle Prof. K. Sivapalan.
Ion Pumps and Ion Channels CHAPTER 48 SECTION 2. Overview  All cells have membrane potential across their plasma membrane  Membrane potential is the.
HOW MESSAGES ARE SENT.  It is a message travelling down a neuron  The message comes from:  Another neuron or  A sensory receptor  A nerve impulse.
Excitable Tissues- Synapse Prof. K. Sivapalan. Synapses June 2013Synapse2.
Dr.Sidra Qaiser. Learning Objectives Students should be able to: Define resting membrane potential and how it is generated. Relate Nernst Equilibrium.
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.
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.
Bellringer: Water Intoxication What is hyponatremia? Symptoms? What is brain edema? What can it lead to? What is vasopressin and what does it do?
Resting Membrane Potential. Membrane Potentials  Electrical signals are the basis for processing information and neuronal response  The impulses are.
Psychology 3600 Action Potential Saltatory Conduction Ion Channels Membrane Currents.
Unit 1 Opener neuro4e-unit-01-opener.jpg.
Fifth lecture.
April The Neuron & Nerve Impulses
Learning Objectives Students should be able to: Define resting membrane potential and how it is generated. Relate Nernst Equilibrium potential for sodium,
Nervous System. Neuron (nerve cell) StructureFunction Cell BodyCentral part of the neuron. It contains the nucleus of the cell. where most protein.
NEUROMUSCULAR JUNCTION & NERVE IMPULSES. Characteristics of Muscle Tissue 1)Irritability: ability to respond to a stimulus 2)Contractility: ability to.
The Action Potential & Impulse/Signal Propagation
The Action Potential. Four Signals Within the Neuron  Input signal – occurs at sensor or at points where dendrites are touched by other neurons.  Integration.
AP Biology Nervous Systems Part 3. Synapse and Neurotransmitter.
Chapter 35-1: Human Body Systems Essential Question: How does the human body maintain homeostasis?
6.5 Neurons and Synapses U1: Neurons transmit electrical signals.
Neurones & the Action Potential Objective: To understand how neurones conduct impulses from one part of the body to another. Write down anything you can.
Nerve Action potential L 21
Nervous System Group 1 Abbey Mui, Charlotte Fletcher, Jake Morrissey, Elise DeFazio.
Action & Resting Potentials.  Create the electrical impulses needed for communication in the nervous system  They occur in the axons of all neurones.
Types of Neurons HCS 2050 SLO: Explain the structure and function of neurons and neuroligia 1.5 – Explain the structure and function of nerves and.
Resting potential, Measurement of Ion Movement
TEXTBOOK OF MEDICAL PHYSIOLOGY GUYTON & HALL 13TH EDITION
NERVE IMPULSE.
Ionic Generation of Electrical Signals
Do what you can, with what you have, where you are.
What is the part of the neuron that receives signals? Sends them?
The Nerve Impulse Laurel McKay Period 1.
Ionic Generation of Electrical Signals
Events of action potential
Warm Up What is actually occurring inside the cell when a neuron has an “impulse” traveling through it?
The Nerve Impulse.
Functions and Divisions
Electrical Signals within the Nervous System (lec 2)
Electrical Current and the Body
AP Biology Nervous Systems Part 3.
Neurons, Synapses, and Signaling
Neuron Cell Body Location
6.5 Neurons and Synapses Applications:
Nerve Impulses.
Action potential and synaptic transmission
Neurons and Nerves Impulses
Notes Ch. 10c Nervous System 1
AP Biology Nervous Systems Part 3.
Introduction to physiology
Neurons & the Action Potential
Neurons.
Structure and Physiology of Neurons
AP Biology Nervous Systems Part 3.
Nerve Impulse (pp ).
How do nerves transmit signals and communicate?
Neurons and synapses.
Do Now: 1. What is 1 of the characteristics of nerve signals that you defined from the “dominos” lab? 2. What is the role of the axon? 3. What creates.
Unit 2 Notes: Nerve Impulses
Do Now: 1. What is 1 of the characteristics of nerve signals that you defined from the “dominos” lab? 2. What is the role of the axon? 3. What creates.
Presentation transcript:

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

Genesis of Resting Membrane Potential June 2013Nerve9

Change in Resting Membrane Potential June 2013Nerve10

Local Response June 2013Nerve11

Action Potential June 2013Nerve12

June 2013Nerve13

Ionic Basis of Action Potential June 2013Nerve14

June 2013Nerve15

Components of Action Potential June 2013Nerve16

Spread of Action Potential June 2013Nerve17

Spread of Action Potential June 2013Nerve18

Conduction in Myelinated Nerve June 2013Nerve19

Myelination June 2013Nerve20

Velocity of Conduction June 2013Nerve21

Fiber Types in Mammalian Nerve June 2013Nerve22

Susceptibility of Nerves Susceptible to: MostIntermediateLeast HypoxiaBAC PressureABC Local anaesthetics CBA June 2013Nerve23

Feedback: Privacy Policy Feedback
Do Not Sell My Personal Information
About project: SlidePlayer Terms of Service

© 2024 SlidePlayer.com Inc. All rights reserved.