Anatomy & Physiology: An Integrative Approach
2nd Edition
ISBN: 9780078024283
Author: Michael McKinley Dr., Valerie O'Loughlin, Theresa Bidle
Publisher: McGraw-Hill Education
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Question
Chapter 12, Problem 19DYKB
Summary Introduction
To explain:
The mechanism for the release of neurotransmitter from the synaptic knob.
Concept introduction:
Neurotransmitters are chemical substances which are released by the axon terminals when nerve impulses arrive. These neurotransmitters are stored in synaptic vesicles. These vesicles then fuse with the sending membrane which results in the release of neurotransmitter into the synaptic cleft.
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Discuss the different mechanisms for removing neurotransmitter from the synaptic cleft.
Explain the importance of neurotransmitter removal from the synaptic cleft and describe three removal mechanisms.
Discuss the steps that lead from the action potential arriving in the synaptic terminal to the release of neurotransmitter from synaptic vesicles.
Chapter 12 Solutions
Anatomy & Physiology: An Integrative Approach
Ch. 12.1 - Prob. 1WDYLCh. 12.1 - What are the two primary functional divisions of...Ch. 12.2 - Prob. 3WDYLCh. 12.2 - Prob. 4WDYLCh. 12.2 - Prob. 5WDYLCh. 12.2 - Prob. 6WDYLCh. 12.2 - Prob. 7WDYLCh. 12.2 - What are the three connective tissue wrappings in...Ch. 12.3 - Prob. 9WDYLCh. 12.4 - If a person has a brain tumor, is it more likely...
Ch. 12.4 - Prob. 11WDYLCh. 12.4 - Prob. 12WDYLCh. 12.4 - Prob. 13WDYLCh. 12.5 - Prob. 14WDYLCh. 12.5 - Prob. 15WDYLCh. 12.6 - Prob. 16WDYLCh. 12.6 - Prob. 17WDYLCh. 12.7 - Prob. 18WDYLCh. 12.7 - Prob. 19WDYLCh. 12.7 - Prob. 20WDYLCh. 12.8 - How are EPSP and IPSP graded potentials...Ch. 12.8 - Prob. 22WDYLCh. 12.8 - How does depolarization and repolarization occur...Ch. 12.8 - Prob. 24WDYLCh. 12.8 - Prob. 25WDYLCh. 12.9 - Prob. 26WDYLCh. 12.9 - Prob. 27WDYLCh. 12.9 - Prob. 28WDYLCh. 12.9 - Prob. 29WDYLCh. 12.10 - Prob. 30WDYLCh. 12.10 - Prob. 31WDYLCh. 12.11 - Prob. 32WDYLCh. 12.11 - Prob. 33WDYLCh. 12 - _____ 1. The cell body of a neuron does all of the...Ch. 12 - Prob. 2DYKBCh. 12 - Prob. 3DYKBCh. 12 - Prob. 4DYKBCh. 12 - Prob. 5DYKBCh. 12 - Prob. 6DYKBCh. 12 - _____ 7. An action potential is generated when...Ch. 12 - Prob. 8DYKBCh. 12 - Prob. 9DYKBCh. 12 - Prob. 10DYKBCh. 12 - What are the four structural types of neurons? How...Ch. 12 - Prob. 12DYKBCh. 12 - How does myelination differ between the CNS and...Ch. 12 - Describe the procedure by which a PNS axon may...Ch. 12 - Prob. 15DYKBCh. 12 - Prob. 16DYKBCh. 12 - Explain summation of EPSPs and IPSPs and the...Ch. 12 - Graph and explain the events associated with an...Ch. 12 - Prob. 19DYKBCh. 12 - Prob. 20DYKBCh. 12 - Prob. 1CALCh. 12 - Prob. 2CALCh. 12 - Prob. 3CALCh. 12 - Prob. 4CALCh. 12 - Sarah wants to call her new friend Julie and needs...Ch. 12 - Over a period of 6 to 9 months, Marianne began to...Ch. 12 - Prob. 2CSLCh. 12 - Prob. 3CSL
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- Identify the structure highlighted in green: Synaptic cleft Motor end plate Presynaptic membranearrow_forwarddetail the steps for release, reception and recycling of neurotransmitters at the synaptic cleftarrow_forwardArrange the events that occur during synaptic transmission. Use letters A-F to denote the correct sequence. Use the diagram on the right as a clue. Example: SENDING NEURON vescJes B 1. lon channel opens Synepto SYNAPSE 1. lon channel opens 2. Neurotransmitter is released into synaptic cleft SYNAPTIC CLEFT RECEMNG NEURC4 Neurotransmitter To us 3. Vesicle fuses with plasma membrane Jon chzn nels Neurotrensmitter Feptor Neurotrensmitter broen down zna selaesed 4. Neurotransmitter binds to receptor tOnS 5. Action potential arrives 辦 6. lon channel closesarrow_forward
- Draw a typical action potential (correctly label axis) and explain in words the roles of ion channels in generating the different phases of the action potential. (Extra credit: How would opening voltage gated calcium channels upon depolarization affect the shape of the action potential if they have a relatively slow inactivation rate?)arrow_forwardDescribe how different post-synaptic potentials can be summated on a single neuron to determine if that neuron does or does not fire an action potentialarrow_forwardWhat triggers neurotransmitter release at the synaptic cleft?arrow_forward
- Name the neurotransmitter that conducts nerve impulse through synapse.arrow_forwardList the factors that determine Synaptic Strength?arrow_forwarddescribe the location of neurotansmitters within an axon and explain the relationship between presynaptic axon actviity and the amount of neurotransmitters released.arrow_forward
- In neurology, Will abolishing extracellular calcium concentration prevent electrical neuro transmission from occurring? Please explain in a few sentences.arrow_forwardOrganize the following steps into the correct signal transmission across a synapse. 1. Neurotransmitter molecules diffuse across the synaptic cleft 2. Neurotransmitter molecules bind to postsynaptic neurotransmitter receptors 3. Synaptic vesicles release neurotransmitter molecules 4. Impulse reaches the synaptic knob of the presynaptic neuronarrow_forwardDescribe how neurotransmitter binding to receptors on apostsynaptic cell causes inhibition or excitation.arrow_forward
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