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intercalated disk

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Medical Dictionary

Main Entry: in·ter·ca·lat·ed disk
Pronunciation: in-'t&r-k&-"lAt-&d-
Function: noun
: any of the specialized regionsof the sarcolemma and underlying cytoplasm of cardiac muscle cells that comprise the longitudinal and end-to-end junctions between adjacent cells and that function to connect them mechanically andelectrically
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

intercalated disk n.
An undulating double membrane separating adjacent cells in cardiac muscle fibers.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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