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

Cytogenetics

Biology; Toxicology

Branch of genetics which correlates the structure and number of chromosomes as seen in isolated cells with variation in genotype and phenotype.

Adsorption

Biology; Toxicology

Increase in the concentration of a substance at the interface of a condensed and a liquid or a gaseous layer owing to the operation of surface forces.

Cumulative incidence ratio

Biology; Toxicology

Value obtained by dividing the cumulative incidence rate in the exposed population by the cumulative incidence rate in the unexposed population.

Cumulative death rate

Biology; Toxicology

Proportion of a defined group that die within the specified time period (e.g., month, year). Note: It may refer to all deaths or to deaths from a specific cause or specific causes.

Blood-testis barrier

Biology; Toxicology

Physiological interface between the blood supply and the spermatozoa of the seminiferous tubules. Note: This interface consists of specific junctional complexes between Sertoli cells.

Biological warfare

Biology; Toxicology

Military operations using any organism (bacteria, virus or other disease-causing organism) or toxin found in nature, to kill, injure or incapacitate human beings, animals, or plants.

Convection

Biology; Toxicology

As applied to air and water motion, predominantly vertical motion of air or of water, induced by the expansion of the air or of water heated by the earth's surface, or by human activity, and its ...