In vivo toxicology is the study of toxic effects of chemical substances performed within an intact, living organism such as a laboratory animal.
Genetic toxicology is the study of damages to the genes by chemical or physical agent. Genetic toxicology testing in drug discovery and optimization serves to quickly identify mutagens and remove them.
In vitro toxicology consists of using cells or tissues maintained or grown in controlled laboratory conditions to examine the toxic properties of compounds and mixtures.
