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

Hypertrophy

Biology; Toxicology

Excessive growth in bulk of a tissue or organ through increase in size but not in number of the constituent cells.

Icterus

Biology; Toxicology

Excess of bile pigment in the blood and consequent deposition and retention of bile pigment in the skin and the sclera.

Oliguria

Biology; Toxicology

Excretion of a diminished amount of urine in relation to fluid intake.

Hyperemia

Biology; Toxicology

Excessive amount of blood in any part of the body.

Exposure ratio

Biology; Toxicology

In a case control study, value obtained by dividing the rate at which persons in the case group are exposed to a risk factor (or to a protective factor) by the rate at which persons in the control ...

Logit

Biology; Toxicology

In competitive binding assays, the logit-log dose relationship, in which the response is defined by: R = logit (y) = lg (y/(1 – y)) where y = b/b 0 with b = fraction of tracer bound ...

Odour threshold

Biology; Toxicology

In principle, the lowest concentration of an odorant in the air that can be detected by a human being. Note: In practice, a panel of "sniffers" is often used, and the threshold taken as the ...