ACUTE TOXICITY Meaning and
Definition
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Acute toxicity is a term used in toxicology to describe the harmful effects or adverse reactions that occur shortly after exposure to a high dose of a substance or chemical. It refers to the ability of a substance to cause immediate or rapid damage to an organism or to produce severe symptoms in a short period of time. Acute toxicity is often measured by determining the median lethal dose (LD50), which indicates the amount of a substance that is lethal to 50% of the test animals or organisms exposed to it.
The effects of acute toxicity can vary depending on the substance and route of exposure, such as ingestion, inhalation, or skin contact. Common symptoms may include nausea, vomiting, dizziness, headaches, seizures, respiratory distress, organ failure, or death. These effects can occur within minutes to hours after exposure and are typically more severe when the dose of the substance is high.
To assess the acute toxicity of a substance, various tests are conducted in accordance with established guidelines and regulations. These tests aim to determine the specific toxic effects of the substance, estimate its toxicity level, and establish appropriate safety measures or restrictions for its use. The results obtained from these tests are crucial in ensuring the protection of human health and the environment from potentially harmful substances.
Common Misspellings for ACUTE TOXICITY
- zcute toxicity
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Etymology of ACUTE TOXICITY
The word "acute" in the context of toxicity comes from the Latin word "acutus", which means "sharp" or "pointed". In medical terminology, "acute" is used to describe a condition that has a rapid onset or a severe and intense course.
The term "toxicity" is derived from the Greek word "toxikon", which referred to poison. It ultimately originates from the Greek word "toxikos", meaning "arrow poison". In ancient times, poison was often obtained from the venom of certain animals that was used to coat arrows or darts for hunting or warfare.
Combining these two elements, "acute toxicity" refers to the rapid or severe impact of a particular substance or agent that can have harmful effects on living organisms.
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