gap-junction

gap junction

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 Dictionary

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. Also called nexus.

The American Heritage® Stedman's Medical Dictionary
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