Toxicology

Toxicology

A branch of biology, chemistry, and medicine concerned with the study of the adverse effects of chemicals or physical agents on living organisms, as well as the symptoms, mechanisms, treatments and detection of poisoning, especially the poisoning of people.

Industry: Biology; Chemistry

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Toxicology

competent bacteria

Biology; Toxicology

Culture of bacteria (or yeast) treated in such a way that their ability to take up DNA molecules without transduction or conjugation has been enhanced.

bio-assay

Biology; Toxicology

Procedure for estimating the concentration or biological activity of a substance by measuring its effect on a living system compared to a standard system.

cell cycle

Biology; Toxicology

Regulated biochemical steps that cells go through involving DNA replication and cell division, usually depicted as a sequential cyclical series of events.

clone

Biology; Toxicology

1. Population of genetically identical cells or organisms having a common ancestor. 2. Recombinant DNA molecules all carrying the same inserted sequence.

confounding variable

Biology; Toxicology

Changing factor that can cause or prevent the outcome of interest, is not an intermediate variable, and is associated with the factor under investigation.

confounder

Biology; Toxicology

Changing factor that can cause or prevent the outcome of interest, is not an intermediate variable, and is associated with the factor under investigation.

allergen

Biology; Toxicology

Immunostimulant antigenic substance which may or may not cause a clinically significant effect but which is capable of producing immediate hypersensitivity.