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

Biological half life

Biology; Toxicology

For a substance the time required for the amount of that substance in a biological system to be reduced to one half of its value by biological processes, when the rate of removal is approximately ...

Addiction

Biology; Toxicology

Surrender and devotion to the regular use of a medicinal or pleasurable substance for the sake of relief, comfort, stimulation, or exhilaration which it affords; often with craving when the drug is ...

After (9)

Biology; Toxicology

Small circle of DNA (e.g., a plasmid) or modified bacteriophage (bacterial virus) that can carry a segment of foreign DNA into an appropriate host organism (e.g. a bacterial, yeast or mammalian ...

Antibody

Biology; Toxicology

Protein (immunoglobulin) produced by the immune system in response to exposure to an antigenic molecule and characterised by its specific binding to a site on that molecule (antigenic determinant or ...

Corrosive

Biology; Toxicology

Causing a surface-destructive effect on contact; in toxicology, this normally means causing visible destruction of the skin, eyes, or the lining of the respiratory tract or the gastrointestinal ...

Graminicide

Biology; Toxicology

Pesticide (herbicide) used for the control of weedy grasses (Gramineae).

Generally regarded as safe (GRAS)

Biology; Toxicology

Phrase used to describe the U.S. FDA philosophy that justifies approval of food additives that may not meet the usual test criteria for safety but have been used extensively and have not been ...