antitoxin
/'ænti'tɔksin/
Definition
Noun: 1. A specific antibody that counteracts a specific toxin: An antitoxin is a substance, typically an antibody produced by the body or administered as a treatment, that can neutralize the harmful effects of a particular toxin (poison) produced by bacteria, animals, or plants.
Usage
An antitoxin is used medically to provide passive immunity against specific toxins. It is administered after exposure to neutralize the toxin before it causes damage. The term is most commonly used in the context of treating diseases like diphtheria, tetanus, or botulism, or envenomations from snakes or spiders.
Examples
- The patient was given a tetanus antitoxin immediately after the injury to prevent the toxin from causing muscle spasms.
- Scientists developed an antitoxin capable of neutralizing the venom from that particular species of snake.
- The antitoxin works by binding directly to the toxin molecule, rendering it harmless.
Advanced Usage
- "Antitoxin serum": A preparation containing antitoxins, often derived from the blood plasma of immunized animals (like horses).
- Before modern vaccines, diphtheria antitoxin serum was a critical treatment.
Variants and Related Words
- Antitoxic (adjective): Having the properties of an antitoxin; counteracting toxins.
- The antitoxic effect of the treatment was rapid.
- Toxin (noun): The poisonous substance that an antitoxin neutralizes.
- Antivenom/Antivenin (noun): A specific type of antitoxin used to treat venomous bites or stings.
Synonyms
- Antidote (Note: An is a broader term for any substance that counteracts a poison, which may work by various mechanisms. An is a specific type of antidote that is an antibody neutralizing a biological toxin.)
- Counteragent
- Neutralizer
Related Phrases/Idioms
- "An antitoxin to [something abstract]" (Figurative): Something that counteracts or neutralizes a harmful abstract force or idea.
- He believed that education was the best antitoxin to prejudice and ignorance.
Noun
-
an antibody that can neutralize a specific toxin
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