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

incidence

Biology; Toxicology

Number of occurrences of illness commencing, or of persons falling ill, during a given period in a specific population: usually expressed as a rate. Note: When expressed as a rate, it is the number ...

n-octanol-water partition coefficient

Biology; Toxicology

Obsolete for octan-1-ol-water partition coefficient

gene amplification

Biology; Toxicology

Occurrence of extra copies of a gene; with respect to a plasmid, an increase in the number of plasmid copies per cell, which may be induced by a specific treatment. Note: Spontaneous gene ...

epileptiform

Biology; Toxicology

Occurring in severe or sudden spasms, as in convulsion or epilepsy.

permeable

Biology; Toxicology

Of a membrane, allowing a given substance to pass through. Note: When applied to nonbiological membranes with no qualification, the term normally refers to water.

impermeable

Biology; Toxicology

Of a membrane, not allowing a given substance to pass through. When applied to nonbiological membranes with no qualification, the term normally refers to water.

parasympathetic

Biology; Toxicology

Of, relating to, or affecting the parasympathetic nervous system which stimulates digestive secretions, slows the heart, constricts the pupils of the eyes, and dilates blood vessels