Invadopodia

Invadopodia or invasive feet are protrusions in the cell membrane of some cells that are rich in actin and extend into the extracellular matrix (ECM). Researchers have reported that invadopodia formation is initiated with the assembly of actin core structures, followed by the accumulation of matrix metalloproteinase for ECM degradation. They are a...
Found on http://en.wikipedia.org/wiki/Invadopodia

invadopodia

invadopodia Similar to podosomes; however, most researchers define podosomes as more dynamic than invadopodia and smaller; one to two micrometers in diameter compared to eight to ten micrometers. Some researchers have suggested that podosomes form first and then mature into invadopodia, but no consesus exists among cell biologists, yet. Feetlike ...
Found on http://www.wordinfo.info/words/index/info/view_unit/3799/
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