Wikijunior:Dinosaurs/Plesiosaur. The Plesiosaur is not actually a dinosaur, but rather a large swimming reptile. Plesiosaur is Greek for nearer to the reptiles. This name given to this creature because it resembles something that is part reptile and part fish.
The ALT test measures the level of ALT in your blood. Consistently high levels of ALT in your blood can be a sign of liver damage. Aspartate Transaminase (AST) is an enzyme found in large amounts in your liver and other parts of your body. The AST test measures the level of AST in your blood.
Blood tests used to assess the liver are known as liver function tests. However, liver function tests can be normal at many stages of liver disease. Blood tests can also detect if you have low levels of certain substances, such as a protein called serum albumin, which is made by the liver. A low level of serum albumin suggests your liver isn't functioning properly.