Cell Junctions

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=zZESsZZvhVk

A cell junction is a type of structure that exists within the tissue of some multicellular organisms, such as animals. Cell junctions consist of multiprotein complexes that provide contact between neighbouring cells or between a cell and the extracellular matrix. They also build up the paracellular barrier of epithelia and control the paracellular transport. Cell junctions are especially abundant in epithelial tissues. • There are four types of cell junctions : • Anchoring Junctions , • Occluding Junctions • Channel Forming Junctions • Signal Relaying Junctions. • #csirlifescience #hussainbiology #apbiology

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