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

Specificity of a screening test

Biology; Toxicology

Proportion of truly non-diseased persons who are identified by the screening test.

Surface layer

Biology; Toxicology

Region of space comprising and adjoining the phase boundary between a solid and liquid phase, between a solid and gas phase, or between a liquid and gas phase within which properties of matter are ...

Safety

Biology; Toxicology

Reciprocal of risk: practical certainty that injury will not result from a hazard under defined conditions. Note 1. Safety of a drug or other substance in the context of human health: the extent to ...

Temporary maximum residue limit

Biology; Toxicology

Regulatory value established for a specified, limited time when only a temporary acceptable daily intake has been established for the pesticide concerned or, with the existence of an agreed ...

Plasmapheresis

Biology; Toxicology

Removal of blood from the body and centrifuging it to obtain plasma and packed red blood cells: the blood cells are resuspended in a physiologically compatible solution (usually type-specific fresh ...

Surrogate

Biology; Toxicology

Relatively well studied toxicant whose properties are assumed to apply to an entire chemically and toxicologically related class; for example, benzo(a)pyrene data may be used as toxicologically ...

Predictive validity

Biology; Toxicology

Reliability of a measurement expressed in terms of its ability to predict the criterion: an example would be an academic aptitude test that was validated against subsequent academic performance.