Definitions for gap junction

This page provides all possible meanings and translations of the word gap junction

Random House Webster's College Dictionary

gap′ junc`tion(n.)

  1. Biol. a structure consisting of a series of channels extending across the gap between two cells, allowing the passage of ions, small molecules, etc.

    Category: Cell Biology

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  1. Gap junction

    A gap junction or nexus is a specialized intercellular connection between a multitude of animal cell-types. It directly connects the cytoplasm of two cells, which allows various molecules and ions to pass freely between cells. One gap junction channel is composed of two connexons which connect across the intercellular space. Gap junctions are analogous to the plasmodesmata that join plant cells.

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