A tunneling nanotube (TNT) or membrane nanotube is a term that has been applied to cytoskeletal protrusions that extend from the plasma membrane which enable different animal cells to connect over long distances, sometimes over 100 μm between certain types of cells. Tunneling nanotubes that are less than 0.7 micrometers in diameter, have an actin structure and carry portions of plasma membrane between cells in both directions.
A tunneling nanotube (TNT) or membrane nanotube is a term that has been applied to cytoskeletal protrusions that extend from the plasma membrane which enable different animal cells to connect over long distances, sometimes over 100 μm between certain types of cells. Tunneling nanotubes that are less than 0.7 micrometers in diameter, have an actin structure and carry portions of plasma membrane between cells in both directions.
Source: Wikipedia "Tunneling nanotube" · CC BY-SA 4.0
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