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

Vesicle

Biology; Toxicology

1. In cell biology, small bladder-like, membrane-bound sac containing aqueous solution or fat. 2. In pathology, blisterlike elevation on the skin containing serous fluid.

Tolerable daily intake (TDI)

Biology; Toxicology

Estimate of the amount of a potentially harmful substance (e.g. contaminant) in food or drinking water that can be ingested daily over a lifetime without appreciable health risk. Note 1: For ...

Risk evaluation

Biology; Toxicology

Establishment of a qualitative or quantitative relationship between risks and benefits, involving the complex process of determining the significance of the identified hazards and estimated risks to ...

Soil partition coefficient (soil Kd)

Biology; Toxicology

Experimental ratio of a substance's concentration in the soil to that in the aqueous (dissolved) soil phase at equilibrium: it is valid only for the specific concentration and solid/solution ratio of ...

Tolerable weekly intake (TWI)

Biology; Toxicology

Estimate of the amount of a potentially harmful substance (e.g. a contaminant) in food or drinking water that can be ingested weekly over a lifetime without appreciable health risk.