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

onycholysis

Biology; Toxicology

Loosening or detachment of the nail from the nail bed following some destructive process.

nuisance threshold

Biology; Toxicology

Lowest concentration of an air pollutant that can be considered objectionable.

lowest-observed-effect level (LOEL)

Biology; Toxicology

Lowest concentration or amount of a substance (dose), found by experiment or observation, that causes any alteration in morphology, functional capacity, growth, development, or life span of target ...

lowest-observed-adverse-effect level (LOAEL)

Biology; Toxicology

Lowest concentration or amount of a substance (dose), found by experiment or observation, which causes an adverse effect on morphology, functional capacity, growth, development, or life span of a ...

lowest effective dose (LED)

Biology; Toxicology

Lowest dose of a chemical inducing a specified effect in a specified fraction of exposed individuals.

hapten

Biology; Toxicology

Low-molecular-mass species which is not itself antigenic unless complexed with a carrier, such as a protein. Once bound, it presents an epitope that can cause the sensitization of lymphocytes.