Biology, asked by bethefirst34, 11 hours ago

at some places plasma membranes of the adjacent cell thick to form button like structure known as​

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Answered by nilaypratap4
3

Answer:

Zonulae occludentes refers to tight junctions. Plasmalemma of two cells fuses to form impermeable or occluding junctions. For example, epithelial cells or capillaries and brain cells. Tight junctions are different in different tissues.

Macula adherens refers to desmosomes which are welded areas between adjacent cells having intercellular thickening materials, transmembrane linkers, disc-shaped intracellular thickening adjacent to each membrane with tonofibrils.

Zonula adherens refers to terminal bars, i.e., desmosomes which lack tonofibrils and where discoid thickenings are replaced by bands of microfilaments and intermediate filaments.

Nexus is involved in intracellular adhesion and transport.

Explanation:

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Answered by bandameedipravalika0
0

Answer:

Explanation:

Plasma membranes of the adjacent cell thick to form button like structure known as​.

The term "tight connections" is zonulae occludentes. To create impermeable or occluding connections, the plasmalemma of two cells unites. For instance, brain cells, capillaries, or epithelial cells. Different tissues have various tight connection types.

Desmosomes, which are welded regions between adjacent cells and contain tonofibrils, transmembrane linkers, and an intracellular thickening in the shape of a disc next to each membrane, are referred to as macula adherens.

Terminal bars, or desmosomes without tonofibrils and discoid thickenings replaced by bands of microfilaments and intermediate filaments, are referred to as Zonula adherens.

In intracellular adhesion and transport, Nexus plays a role.

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