Glossary Terms

An animal with a disease either the same as or like a disease in humans. Animal models are used to study the development and progression of diseases and to test new treatments before they are given to humans. Animals with transplanted human cancers or other tissues are called xenograft models.

The things a person eats and drinks.

In the body. The opposite of in vitro (outside the body or in the laboratory).

A person who has studied science, especially one who is active in a particular field of investigation.