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BioelectromagnetismPrinciples and Applications of Bioelectric and Biomagnetic Fields$
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Jaakko Malmivuo and Robert Plonsey

Print publication date: 1995

Print ISBN-13: 9780195058239

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780195058239.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 22 October 2021

Source-Field Models

Source-Field Models

Chapter:
(p.148) Chapter 8 Source-Field Models
Source:
Bioelectromagnetism
Author(s):

Jaakko Malmivuo

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195058239.003.0008

This chapter provides a detailed theoretical discussion of various source-field models and their mathematical basis. It develops expressions for electric sources of bioelectric origin. These sources are generated by the passage of current across the membrane of active (excitable) cells, which may be either nerve or muscle. It considers excitable tissue with very simple models — mainly single cylindrical fibers. It can be seen that bioelectric sources can be described as surface/volume distributions of two types of source element, namely the monopole and/or dipole. Because of the fundamental importance of the monopole and dipole source, the chapter first proceeds to a description of the fields generated by each.

Keywords:   source-field models, excitable cells, cell membrane, cylindrical fibers, bioelectric source, dipole

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