Lamellipodium
Actin projection on the leading edge of a migrating cell / From Wikipedia, the free encyclopedia
The lamellipodium (pl.: lamellipodia) (from Latin lamella, related to lamina, "thin sheet", and the Greek radical pod-, "foot") is a cytoskeletal protein actin projection on the leading edge of the cell. It contains a quasi-two-dimensional actin mesh; the whole structure propels the cell across a substrate.[1] Within the lamellipodia are ribs of actin called microspikes, which, when they spread beyond the lamellipodium frontier, are called filopodia.[2] The lamellipodium is born of actin nucleation in the plasma membrane of the cell[1] and is the primary area of actin incorporation or microfilament formation of the cell.
"Lamellipodia" redirects here. For the copepod genus with the synonym "Lamellipodia", see Epischura.
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