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

effective concentration (EC)

Biology; Toxicology

Concentration of a substance that causes a defined magnitude of response in a given system. Note: EC50 is the median concentration that causes 50 % of maximal response.

osteomalacia

Biology; Toxicology

Condition marked by softening of the bones (due to impaired mineralization, with excess accumulation of osteoid), with pain, tenderness, muscular weakness, anorexia and loss of weight, resulting from ...

hypervitaminosis

Biology; Toxicology

Condition resulting from the ingestion of an excess of one or more vitamins.

graded effect

Biology; Toxicology

Consequence that can be measured on a graded scale of intensity or severity and its magnitude related directly to the dose or concentration of the substance producing it.

environmental monitoring

Biology; Toxicology

Continuous or repeated measurement of agents in the environment to evaluate environmental exposure and possible damage by comparison with appropriate reference values based on knowledge of the ...

expression (in genetics)

Biology; Toxicology

Conversion of the genetic information encoded in DNA into a final gene product (either a protein or any of the different types of RNA). Note: Because changes in RNA synthesis are often estimated by ...

environmental health criteria documents

Biology; Toxicology

Critical publications of IPCS containing reviews of methodologies and existing knowledge - expressed, if possible, in quantitative terms - of selected substances (or groups of substances) on ...