A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells (RBCs). These antigens may be proteins, carbohydrates, glycoproteins, or glycolipids, depending on the blood group system. complete blood type would describe a full set of 30 substances on the surface of RBCs, and an individual's blood type is one of many possible combinations of blood-group antigens.
Thus, cavitation is the name given to a mechanism in which vapor bubbles (or cavities) in a fluid grow and collapse due to local pressure fluctuations. These fluctuations can produce a low pressure, in the form of vapor pressure of the fluid.
Dilatation of the inferior vena cava is a frequent finding in patients with cirrhosis and portal hypertension, and may be produced by various mechanisms. In this article we illustrate the spectrum of causes and appearances of inferior vena caval dilatation in patients with cirrhosis and portal hypertension. Keywords.