Cell junction

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A cell junction is a structure within a tissue of a multicellular organism. Cell junctions are especially abundant in epithelial tissues. They consist of protein complexes and provide contact between neighbouring cells, between a cell and the extracellular matrix, or they build up the paracellular barrier of epithelia and control the paracellular transport.

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Simplified diagram of the main cell junctions

In vertebrates, there are three major types of cell junctions:

Invertebrates have several other types of specific junctions, for example Septate junctions or the CeAJ (C. elegans apical junction).

Cell junction molecules

The molecules responsible for creating cell junctions include various cell adhesion molecules.

External links

Template:CellJunction Template:Structures of the cell membrane

cs:Buněčný spoj de:Zellkontakt it:Giunzione cellulare nn:Cellekontakt sl:Medcelični stik fi:Soluliitos sv:Cellkontakter Template:Jb1 Template:WH Template:WS