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

Basal lamina

Biology; Toxicology

Triple-layered structure on which epithelium sits: it consists of an electron dense layer (lamina densa) between two electron transparent layers (lamina lucida). The lamina densa is composed of type ...

Acute effect

Biology; Toxicology

Effect of finite duration occurring rapidly (usually in the first 24 h or up to 14 d) following a single dose or short exposure to a substance or radiation. Note: Acute effects may occur continuously ...

Incidence proportion

Biology; Toxicology

Number or proportion of individuals in a group who experience the onset of a health-related event during a specified time interval. Note: This interval is generally the same for all members of the ...

Allergy

Biology; Toxicology

Symptoms or signs occurring in sensitised individuals following exposure to a previously encountered substance (allergen) which would otherwise not cause such symptoms or signs in non-sensitized ...

Allometric scaling

Biology; Toxicology

1. Adjustment of data to allow for change in proportion between an organ or organs and other body parts during the growth of an organism. 2. Adjustment of data to allow for differences and make ...

Anaphylaxis

Biology; Toxicology

Life threatening type 1 hypersensitivity allergic reaction (see allergy) occurring in a person or animal exposed to an antigen or hapten to which they have previously been sensitized. Note: ...