The growth,infiltration and metastasis of oncoma depend on tumor angiogenesis.Vascular endothelial growth factor(VEGF)is the most important irritant factor of angiogenesis.
The change of the control group's histomorphology was clear: the incrassation of synovial lining cells, the infiltration of Inflammatory cells and the erosion of nephelium of blood vessels on hones.
Under the cover of the missiles, a large-scale infiltration began as Hamas militants crossed by land, sea, and air, even using paragliders to cross into Israel.