Emulsion Definition. An emulsion is a colloid of two or more immiscible liquids where one liquid contains a dispersion of the other liquids. In other words, an emulsion is a special type of mixture made by combining two liquids that normally don't mix. The word emulsion comes from the Latin word meaning to milk (milk is one example of an emulsion of fat and water). The process of turning a liquid mixture into an emulsion is called emulsification.
During the drug testing process, the medicine in Saxenda Â® caused rats and mice to develop tumors of the thyroid gland. Some of these tumors were cancers. It is not known if Saxenda Â® will cause thyroid tumors or a type of thyroid cancer called medullary thyroid cancer in people.
Experts warn that rats could grow as big as cows if circumstances permit them to. With the discovery of a giant rat fossil, the size of a small dog, many are asking just how big can rats really grow. Scientists claim, given the right circumstances, a rat can grow as big as a cow. Millions of years ago, giant rodents had once prowled the Earth. Archeologists found the fossils of an extinct species of rat in East Timor, and it is 10 times bigger than the average modern day rat.