ACCESS CODE+EBOOK HUMAN ANATOMY
6th Edition
ISBN: 9781266511561
Author: SALADIN
Publisher: MCG CUSTOM
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Chapter 13.3, Problem 11BYGO
Summary Introduction
To Discuss:
The reason why damaged nerve fibers regenerate in the PNS and not in CNS.
Introduction:
Nerve fibers of the PNS can be damaged by cut or any other type of injury, but if soma (cell body) remains intact, the axon can be regenerate.
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Explain why damaged nerve fibers in the PNS can regenerate but damaged fibers in the CNS cannot?
A damaged axon in the PNS may be able to regenerate only if the cell body is intact. why do you think that the cell body must be intact for regeneration to occur?
How much of a change in the membrane potential is necessary for the summation of postsynaptic potentials to result in an action potential being generated?
Chapter 13 Solutions
ACCESS CODE+EBOOK HUMAN ANATOMY
Ch. 13.1 - Define receptor and effector. Give two examples of...Ch. 13.1 - Prob. 2BYGOCh. 13.1 - Prob. 3BYGOCh. 13.2 - What basic physiological properties do a nerve...Ch. 13.2 - Prob. 2AWYKCh. 13.2 - Prob. 4BYGOCh. 13.2 - Prob. 5BYGOCh. 13.2 - Prob. 6BYGOCh. 13.2 - Prob. 7BYGOCh. 13.3 - From memory, make your own table of the six kinds...
Ch. 13.3 - Prob. 9BYGOCh. 13.3 - Compare the signal conduction speed in myelinated...Ch. 13.3 - Prob. 11BYGOCh. 13.4 - Of all the methods of membrane transport described...Ch. 13.4 - Prob. 12BYGOCh. 13.4 - Prob. 13BYGOCh. 13.4 - Prob. 14BYGOCh. 13.4 - Prob. 15BYGOCh. 13.4 - Prob. 16BYGOCh. 13.4 - Prob. 17BYGOCh. 13.5 - Prob. 18BYGOCh. 13.5 - Prob. 19BYGOCh. 13.5 - What single adult structure arises from all five...Ch. 13.5 - Prob. 21BYGOCh. 13 - The body’s two principal mechanisms of internal...Ch. 13 - Prob. 13.1.2AYLOCh. 13 - The two divisions of the PNS and the two...Ch. 13 - Prob. 13.1.4AYLOCh. 13 - Prob. 13.2.1AYLOCh. 13 - Prob. 13.2.2AYLOCh. 13 - Prob. 13.2.3AYLOCh. 13 - Prob. 13.2.4AYLOCh. 13 - Prob. 13.3.1AYLOCh. 13 - Prob. 13.3.2AYLOCh. 13 - Prob. 13.3.3AYLOCh. 13 - The structure, composition, and function of the...Ch. 13 - The relationship of Schwann cells to the myelin,...Ch. 13 - Prob. 13.3.6AYLOCh. 13 - Prob. 13.3.7AYLOCh. 13 - How the velocity of a nerve singnal varies with a...Ch. 13 - Prob. 13.3.9AYLOCh. 13 - Prob. 13.4.1AYLOCh. 13 - Prob. 13.4.2AYLOCh. 13 - Three types of synapses defined by where the...Ch. 13 - Prob. 13.4.4AYLOCh. 13 - Prob. 13.4.5AYLOCh. 13 - Prob. 13.4.6AYLOCh. 13 - Prob. 13.4.7AYLOCh. 13 - Prob. 13.4.8AYLOCh. 13 - Prob. 13.4.9AYLOCh. 13 - Prob. 13.4.10AYLOCh. 13 - The four principal types of neural circuits...Ch. 13 - Prob. 13.5.1AYLOCh. 13 - Prob. 13.5.2AYLOCh. 13 - Prob. 13.5.3AYLOCh. 13 - Prob. 13.5.4AYLOCh. 13 - Prob. 13.5.5AYLOCh. 13 - Prob. 13.5.6AYLOCh. 13 - The integrative functions of the nervous system...Ch. 13 - Prob. 2TYRCh. 13 - Prob. 3TYRCh. 13 - Prob. 4TYRCh. 13 - Prob. 5TYRCh. 13 - Prob. 6TYRCh. 13 - Another name for the axon of a neuron is nerve...Ch. 13 - Prob. 8TYRCh. 13 - Prob. 9TYRCh. 13 - Which of the following appears earlier than all...Ch. 13 - Prob. 11TYRCh. 13 - Prob. 12TYRCh. 13 - Prob. 13TYRCh. 13 - Neurons receive incoming signals by way of...Ch. 13 - Prob. 15TYRCh. 13 - Prob. 16TYRCh. 13 - Prob. 17TYRCh. 13 - Prob. 18TYRCh. 13 - Prob. 19TYRCh. 13 - Prob. 20TYRCh. 13 - Prob. 1BYMVCh. 13 - Prob. 2BYMVCh. 13 - State a meaning of each word element and give a...Ch. 13 - Prob. 4BYMVCh. 13 - Prob. 5BYMVCh. 13 - Prob. 6BYMVCh. 13 - Prob. 7BYMVCh. 13 - Prob. 8BYMVCh. 13 - Prob. 9BYMVCh. 13 - Prob. 10BYMVCh. 13 - Briefly explain why each of the following...Ch. 13 - Prob. 2WWWTSCh. 13 - Prob. 3WWWTSCh. 13 - Briefly explain why each of the following...Ch. 13 - Briefly explain why each of the following...Ch. 13 - Briefly explain why each of the following...Ch. 13 - Prob. 7WWWTSCh. 13 - Briefly explain why each of the following...Ch. 13 - Prob. 9WWWTSCh. 13 - Briefly explain why each of the following...Ch. 13 - Suppose some hypothetical disease prevented the...Ch. 13 - How would nervous system function be affected if...Ch. 13 - What unusual characteristic of neurons can be...Ch. 13 - Prob. 4TYCCh. 13 - Prob. 5TYC
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- sometimes the terms neuron and nerve are mistakenly used interchangeably. explain the difference between the two structures.arrow_forwardIn neurology, please explain the relationship between extraceullalar calcium concentration and post synaptic potential. does higher extra cellular calcium concentration means bigger change in postsynaptic potential and lower extra cellular calcium concentration means smaller change in postsynaptic potential? Please explain in a few sentences.arrow_forwardCells that insulate and speed impulse conduction between neurons in the pns arearrow_forward
- Injuries may damage the nerves of any motor or sensory division of the PNS. In which PNS subdivision would a nerve injury be most threatening to survival? Explain.arrow_forwardDescribe the characteristics of action potentials and explain how they are conducted by unmyelinated and myelinated axons.arrow_forwardDescribe the structure and function of the four types of glial cells within the CNS and the two types of glial cells within the PNS.arrow_forward
- Describe the resting potential for neurons. How is this potential established? Describe the development of the action potential. How does this come about, and what is the function of this phenomenon? Include a diagram of the various stages of the action potential, showing the changes in voltage that occur throughout this phenomenonarrow_forwardDescribe the structure and function of the four types of CNS neuroglial cells and the two types of PNS neuroglial cells?arrow_forwardExplain how the nerve impulse is transmitted across a synapse.arrow_forward
- Inhibitory postsynaptic potentials cause what type of change at the post-synaptic membrane?arrow_forwardshortly explain why exactly does hyperpolarization in inhibitory synapses stop action potentials from continuing down a neuron chain?arrow_forwardUnmyelinated axons conduct action potentials without decrement, but when myelinated axons lose myelin in demyelinating diseases such as multiple sclerosis, conduction of action potentials is blocked. Why?arrow_forward
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