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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

Bidomain Model of Multicellular Volume Conductors

Bidomain Model of Multicellular Volume Conductors

Chapter:
(p.159) Chapter 9 Bidomain Model of Multicellular Volume Conductors
Source:
Bioelectromagnetism
Author(s):

Jaakko Malmivuo

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195058239.003.0009

Many investigations in electrophysiology involve preparations that contain multiple cells. Examples include the nerve bundle, which consists of several thousand myelinated fibers; striated whole muscle, which may contain several thousand individual fibers; the heart, which has on the order of 1010 cells; and the brain, which also has about 1010 cells. In modeling the electric behavior of such preparations, the discrete cellular structure may be important. On the other hand, macroscopic (averaged) fields may adequately describe the phenomena of interest. In the latter case it is possible to replace the discrete structure with an averaged continuum that represents a considerable simplification. This chapter aims to formulate a continuum representation of multicellular systems and then to explore its electric properties.

Keywords:   volume conductor, multicellular systems, electric behavior, bidomain model, electrophysiology, striated muscle

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