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

Duplicate portion sampling method (diet/food)

Biology; Toxicology

Study in which test persons consume their ordinary diet but, for each meal, they prepare for subsequent analysis a duplicate portion of all food as prepared, served and consumed.

Duplicate diet study

Biology; Toxicology

Study in which test persons consume their ordinary diet but, for each meal, they prepare for subsequent analysis a duplicate portion of all food as prepared, served and consumed.

Equilibrium

Biology; Toxicology

State of a system in which the defining variables (temperature, pressure, chemical potential) have constant values in time.

Histology

Biology; Toxicology

Study (usually microscopic) of the anatomy of tissues and their cellular and subcellular structure.

Monoploid

Biology; Toxicology

State in which a cell contains only one set of chromosomes.

Time-weighted-average-exposure (TWAE), or concentration (TWAC)

Biology; Toxicology

Concentration in the exposure medium at each measured time interval multiplied by that time interval and divided by the total time of observation. Note: For occupational exposure a working shift of ...

Population critical concentration (PCC)

Biology; Toxicology

Concentration of a substance in the critical organ at which a specified percentage of the exposed population has reached the individual critical organ concentration. Note: The percentage is indicated ...