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

dominant

Biology; Toxicology

Allele which expresses its phenotypic effect when present in either the homozygous or the heterozygous state.

environmental quality standard (EQS)

Biology; Toxicology

Amount concentration or mass concentration of a substance that should not be exceeded in an environmental system, often expressed as a time-weighted average measurement over a defined period.

ambient standard

Biology; Toxicology

Amount concentration or mass concentration of a substance that should not be exceeded in an environmental system, often expressed as a time-weighted average measurement over a defined period.

lethal dose (LD)

Biology; Toxicology

Amount of a substance or physical agent (e.g. radiation) that causes death when taken into the body.

organ dose

Biology; Toxicology

Amount of a substance or physical agent (radiation) absorbed by an organ.

no-effect dose (NED)

Biology; Toxicology

Amount of a substance that has no effect on the organism. Note: It is lower than the threshold of harmful effect and is estimated while establishing the threshold of harmful effect.

subthreshold dose

Biology; Toxicology

Amount of a substance that has no effect on the organism. Note: It is lower than the threshold of harmful effect and is estimated while establishing the threshold of harmful effect.