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gap junction

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noun Cell Biology.
a linkage of two adjacent cells consisting of a system of channels extending across a gap from one cell to the other, allowing the passage of ions and small molecules.
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Medical definitions for gap junction

gap junction

n.
A gap between adjacent cell membranes containing very fine latticelike connections that allow physiologic components to pass directly from cell to cell.nexus
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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