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

gene map

Biology; Toxicology

Map showing the positions in the genome of genes or other genetic markers, either relative to each other or as a physical map of absolute distances.

intrinsic activity

Biology; Toxicology

Maximal stimulatory effect induced by a compound in relation to that of a given reference compound.

discharge standard

Biology; Toxicology

Maximum amount of a pollutant released from a given source to a specified medium which is acceptable under specified circumstances.

health-based exposure limit

Biology; Toxicology

Maximum concentration or intensity of exposure that can be tolerated without significant effect (based on only scientific and not economic evidence concerning exposure levels and associated health ...

no-effect level (NEL)

Biology; Toxicology

Maximum dose (of a substance) that produces no detectable changes under defined conditions of exposure. Note: This term tends to be substituted by no-observed-adverse-effect level (NOAEL) or ...

no-response level (NRL)

Biology; Toxicology

Maximum dose of a substance at which no specified response is observed in a defined population and under defined conditions of exposure.

incidence rate (epidemiology)

Biology; Toxicology

Measure of the frequency at which new events occur in a population. Note: This is the value obtained by dividing the number of new events that occur in a defined period by the population at risk of ...