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Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism. Toxicity can refer to the effect on a whole organism, such as an animal, bacterium, or plant, as well as the effect on a substructure of the organism, such as a cell (cytotoxicity) or an organ such as the liver (hepatotoxicity).
Apr 1, 2018 · Toxicity is a measurement of the dosage needed of a particular substance to damage a living organism. A substance becomes toxic at the dose which begins to damage an organism. Contrary to popular belief, all substances have a certain toxicity.
The meaning of TOXICITY is the quality or state of being toxic. How to use toxicity in a sentence. Did you know?
TOXICITY definition: 1. the level of poison contained in a drug or other substance and its ability to harm the body or…. Learn more.
Feb 12, 2024 · Toxicology is a field of science that helps us understand the harmful effects that chemicals, substances, or situations, can have on people, animals, and the environment.
Many factors play a potential role in toxicity. The dosage (or amount of exposure) is the most important factor. A well-known saying, "the dose makes the poison" speaks to this principle. Toxicity can result from adverse cellular, biochemical, or macromolecular changes. Some examples are noted below.
the fact of something or someone being very unpleasant, or causing harm: It's too easy to assume that the other person must be to blame for the toxicity in a relationship. toxicity of The report recognized the toxicity of bullying in the workplace.
Toxicology is the study of adverse effects of chemicals and physical agents on living organisms. A xenobiotic is a foreign substance taken into the body. A toxic agent is any chemical, physical, or biological agent that can produce an adverse biological effect.
This chapter discusses the methods used to evaluate the toxicity of a substance for the purpose of health risk assessment. Evaluation of toxicity involves two steps: hazard identification and dose-response evaluation.
Toxicity is variously defined as (1) the capacity to cause injury to a living organism by the administration of a substance, the way in which the substance is administered (inhalation, ingestion, topical application, injection) and distributed in time (single or repeated doses), the type and severity of injury, the time needed to produce the inj...
