Transmission of Action Potential Across a Synapse

Slides:

Advertisements

Similar presentations

SYNAPSES AND DRUGS.

Advertisements

Do you remember??? Synapse Small empty space between 2 neurons Between the synaptic knob and dendrite.

NERVE IMPULSE TRANSMISSION

Figure 11.3 Neuroglia. © 2014 Pearson Education, Inc. Capillary Neuron

Synaptic Nerve Transmission Getting the Message From Here to There.

Neural communication How do neurons send messages to each other?

1 Session 5 The Neuron II: Synaptic Transmission PS111: Brain & Behaviour Module 1: Psychobiology.

Biology presentation Lu Wei Chen xinlu Hu zhenzhen He shanliang Minh Tue.

Neuromuscular Junction (NMJ). Neuromuscular junction Neuromuscular junction : the synapse between motor neuron and muscle fibre Motor neurons : are the.

THE SYNAPSE Where nerve impulses convert to neurotransmitters The Sanger Institute.

Unit 1B: Nerve Impulses and Synapses. Nerve Impulse A neuron’s job is to transmit a message to a muscle, gland, or another neuron The message travels.

The Action Potential & Impulse/Signal Propagation Learning Objective Be able to describe what a synapse is. Be able to describe how an action potential.

Structure of the Synapse The Structure and function of the synapse WALT That synapses occur between neurones How the nervous impulse is transmitted across.

Anatomy and Physiology I Electrical Signals in Neurons Action Potentials The Synapse Instructor: Mary Holman.

Dopamine (DA) neuron Cell body (Soma) terminals axons Dendrites.

Myelin again Myelin speeds up the nerve impulse because nerve fibers have Schwann cells around them – Schwann cells restrict ion movement – So impulse.

Neurological Disorders Lesson 3.2 How do our neurons communicate with each other? Chemical Signal Electrical Signal.

SITES OF SYNAPTIC COMMUNICATION SYNAPSES Created by The North Carolina School of Science and Math.The North Carolina School of Science and Math Copyright.

Nervous System Notes Part 4. Neurons do not under go mitosis. Neurons are the largest cells in the human body. They can be up to 3 feet long. SOME MORE.

AP Biology Nervous Systems Part 3. Synapse and Neurotransmitter.

1 Psychology 304: Brain and Behaviour Lecture 14.

Action potential 1. Action potentials arriving at the presynaptic terminal cause voltage- gated Ca2+ channels to open. Ca Presynaptic terminal.

09.12 Function of the Neuromuscular Junction Slide number 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

1 At the dendrite the incoming signals arrive (incoming currents) Molekules Synapses Neurons Local Nets Areas Systems CNS At the soma current are finally.

PowerPoint ® Lecture Slides prepared by Janice Meeking, Mount Royal College C H A P T E R Copyright © 2010 Pearson Education, Inc. 11 Fundamentals of the.

Do Now Complete Part 1 on your worksheets with a partner. A problem for you to solve: – Given that you know the axon sends signals electrically, and that.

Upload 9.06 Nerve Impulse Notes to eBackpack

Synapses. C. Action potential reaches the end of a presynaptic neuron. F. Voltage gated calcium channels open D. Calcium ions flow into the presynaptic.

The Synapse and Synaptic Transmission

NERVE CELLS by Grace Minter.

Synthesis, Transport an Recycling of the Neurotransmitters in general

Synaptic Transmission

Structure of a Neuron: At the dendrite the incoming

Neurons, Signals, Synapses

Upload 9.06 Nerve Impulse Notes to eBackpack

Copyright © The McGraw-Hill Companies, Inc

Nerve Signals 11.2 (Image from:

Chapter 3 Image Slides Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Nervous System Impulse Transmission Saltatory Impulse Transmission

Synaptic Transmission

Synaptic Transmission

Nerve Impulses.

1. An action potential arrives at the

SYNAPSES AND DRUGS.

Capillary Neuron Astrocyte

SYNAPSES AND DRUGS.

Cell Communication: Neuron.

AP Biology Nervous Systems Part 3.

1. An action potential arrives at the

Assignment Pages: 10 – 12 (Day 1) Questions over Assignment? # 1 – 4

Synaptic transmission

Electrochemical Gradient Causing an Action Potential

Grade 12 Biology THE NERVOUS SYSTEM

Neuromuscular Junction

Neuron to Neuron Impulse Movement

SYNAPSES AND DRUGS.

Neurotransmission Across a Synapse

Synaptic Transmission

AP Biology Nervous Systems Part 3.

Copyright © The McGraw-Hill Companies, Inc

CHAPTER 6 SKELETAL SYSTEM

AP Biology Nervous Systems Part 3.

Lesson Starter What is the function of Schwan cells in a neurone?

Transmission & Impulses Across a Synapse

E G B K F I A L H C J D Light from a banana reflects into your eyes

Chapter 3 Introduction to Physical Design of Transportation Facilities.

Presentation transcript:

Transmission of Action Potential Across a Synapse

axon terminal synaptic cleft Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. axon terminal synaptic vesicles enclose neurotransmitters synaptic cleft

presynaptic membrane neurotransmitter postsynaptic membrane Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. presynaptic membrane neurotransmitter postsynaptic membrane

Fig. 17.5d neurotransmitter receptor Na+ postsynaptic neuron Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. neurotransmitter receptor Na+ postsynaptic neuron

axon terminal synaptic cleft Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. axon terminal 1. After an action potential arrives at an axon terminal, Ca2+ enters, and synaptic vesicles fuse with the presynaptic membrane. Ca2+ synaptic vesicles enclose neurotransmitters synaptic cleft

2. Neuro- transmitters are released and bind to receptors on the Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 2. Neuro- transmitters are released and bind to receptors on the postsynaptic membrane. axon terminal 1. After an action potential arrives at an axon terminal, Ca2+ enters, and synaptic vesicles fuse with the presynaptic membrane. presynaptic membrane neurotransmitter postsynaptic membrane Ca2+ synaptic vesicles enclose neurotransmitters synaptic cleft

2. Neuro- transmitters are released and bind to receptors on the Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 2. Neuro- transmitters are released and bind to receptors on the postsynaptic membrane. axon terminal 1. After an action potential arrives at an axon terminal, Ca2+ enters, and synaptic vesicles fuse with the presynaptic membrane. presynaptic membrane neurotransmitter postsynaptic membrane Ca2+ 3. When an excitatory neurotransmitter binds to a receptor, Na+ diffuses into the postsynaptic neuron, and an action potential begins. synaptic vesicles enclose neurotransmitters neurotransmitter receptor Na+ postsynaptic neuron synaptic cleft

2. Neuro- transmitters are released and bind to receptors on the Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 2. Neuro- transmitters are released and bind to receptors on the postsynaptic membrane. axon terminal 1. After an action potential arrives at an axon terminal, Ca2+ enters, and synaptic vesicles fuse with the presynaptic membrane. cell body of postsynaptic neuron presynaptic membrane neurotransmitter postsynaptic membrane Ca2+ 3. When an excitatory neurotransmitter binds to a receptor, Na+ diffuses into the postsynaptic neuron, and an action potential begins. synaptic vesicles enclose neurotransmitters neurotransmitter receptor Na+ postsynaptic neuron synaptic cleft