BIO 1408/09 LAB
BIO 1408/09 LAB
18th Edition
ISBN: 9781307081701
Author: Mader
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 27, Problem 1BYB
Summary Introduction

To describe:

The function of myelin.

Given:

The axons of the neurons may have a protective covering made up of lipid materials called as myelin.

Introduction:

Based on myelin the nerve cell may be divided into two categories i.e., myelinated and non-myelinated neurons. The myelin has a variety of functions.

Expert Solution & Answer
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Explanation of Solution

The main functions of the myelin sheath are shown in the below diagram.

BIO 1408/09 LAB, Chapter 27, Problem 1BYB

Conclusion

Thus, the presence of myelin sheath insulates, prevents the flow of ions and increases the velocity of conduction of action potential along the axon. 

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