Biology

Cell Junctions

Cell junctions definition Cell junctions refers to specialized regions through which cells adhere and communicate with each other or with the extracellular matrix. Cellular Communication Cells are small, with a thin, malleable plasma membrane and internally composed by liquid with suspended organelles. In addition to these characteristics, different types of cells are in line in […]

Gap junction

Gap junction definition Gap junction (also known as communicating junctions) refers to the type of cellular junction that allows passage of ions and small molecules between the cytoplasm of adjacent cells. This exchange is done through formation of a protein channel in cell plasma membrane. Cellular communication and cell junctions Formation of functional tissues and […]

Occluding Junction

Occluding junction definition Occluding junction refers to the cell junction that seals the space between cells of an epithelium in such a way that it creates a barrier, which prevents the passage of molecules. Cell junctions Tissue cells are in constant communication due to existence of cellular junctions. There are various types of cell junctions […]

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