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

Phagocytosis

Biology; Toxicology

Process by which particulate material is endocytosed by a cell.

Cloning vector

Biology; Toxicology

Small circle of DNA (e.g., a plasmid) or modified bacteriophage (bacterial virus) that can carry a segment of foreign DNA into an appropriate host organism (e.g. a bacterial, yeast or mammalian ...

Added risk

Biology; Toxicology

Difference between the incidence of an adverse effect in a treated group (of organisms or a group of exposed humans) and a control group (of the same organisms or the spontaneous incidence in ...

Long-term toxicity test

Biology; Toxicology

Study in which organisms are observed during the greater part of the life span and in which exposure to the test agent takes place over the whole observation time or a substantial part thereof.

Chronic toxicity test

Biology; Toxicology

Study in which organisms are observed during the greater part of the life span and in which exposure to the test agent takes place over the whole observation time or a substantial part thereof.

Cyanosis

Biology; Toxicology

Bluish coloration, especially of the skin and mucous membranes and fingernail beds, caused by abnormally large amounts of reduced haemoglobin in the blood vessels as a result of deficient ...

Auxotroph

Biology; Toxicology

Organism unable to synthesise an organic molecule which is required for its growth: when the compound is given to the organism with the other nutrients it requires, growth of the organism may occur.