A plateaued area of from 60% to 80% of the surface to form a bearing surface for the rings and to hold a film of oil.. A crosshatch with uniform cuts in both directions of approximately 45 degrees.
Description of Vascular Endothelial Growth Factor A Vascular Endothelial Growth Factor A: The original member of the family of endothelial cell growth factors referred to as VASCULAR ENDOTHELIAL GROWTH FACTORS. Vascular endothelial growth factor-A was originally isolated from tumor cells and referred to as tumor angiogenesis factor and vascular permeability factor. Although expressed at high levels in certain tumor-derived cells it is produced by a wide variety of cell types.
Causes of Peripheral Vascular Disease. The most common cause of PVD is peripheral artery disease, which is due to atherosclerosis. Fatty material builds up inside the arteries and mixes with calcium, scar tissue, and other substances.The mixture hardens slightly, forming plaques. These plaques block, narrow, or weaken the artery walls.t is, though, often used as a synonym for peripheral artery disease. PVD is the most common disease of the arteries. The build-up of fatty material inside the vessels, a condition called atherosclerosis or hardening of the arteries, is what causes it.