<prompt> VEGF action is?VasodilatationAngiogenesisFibrogenesisChemotaxis  <response>: Ans. is b i.e., Angiogenesis The most important growth factor for angiogenesis is vascular endothelial cell growth factor VEGF which induces the migration of endothelial precursor cells EPCs from bone marrow, and enhances proliferation and differentiation of these cells at site of angiogenesis. 