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.
1 A group of blood tests called liver function tests can be used to diagnose liver disease. Other blood tests can be done to look for specific liver problems or genetic conditions.  Imaging tests. CT scan, MRI and ultrasound can show liver damage.