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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 · Learn what toxicity is, how it varies with different substances and species, and how it is measured and studied. Find out the difference between acute and chronic toxicity, and take a quiz to test your knowledge.
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 · Learn how toxicology helps us understand the harmful effects of chemicals, substances, or situations on people, animals, and the environment. Find out what toxicologists do, how NIEHS supports toxicology research, and what resources are available.
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.
Learn the meaning of toxicity as the quality or state of being toxic or poisonous, and see examples of its usage in sentences. Find out how toxicity is measured, tested, and influenced by various factors.
Apr 1, 2018 · A toxin is a chemical substance which damages an organism. A toxin may be as simple as an ion or atom which negatively interferes with a cell. A toxin can also be in the form of complex molecules such as the proteins found in snake venom.
