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teratogen
[ tuh-rat-uh-juhn, -jen, ter-uh-tuh- ]
noun
- a drug or other substance capable of interfering with the development of a fetus, causing birth defects.
teratogen
/ ˈtɛrətədʒən; tɪˈrætə- /
noun
- any substance, organism, or process that causes malformations in a fetus. Teratogens include certain drugs (such as thalidomide), infections (such as German measles), and ionizing radiation
teratogen
/ tə-răt′ə-jən,tĕr′ə-tə- /
- An agent, such as a virus, a drug, or radiation, that can cause malformations in an embryo or fetus.
Derived Forms
- ˌteratoˈgenicist, noun
- ˌteratoˈgenic, adjective
- ˌteratogeˈnicity, noun
Other Words From
- te·rato·genic adjective
Word History and Origins
Origin of teratogen1
Example Sentences
"It really is like a teratogen in pregnancy, a factor which interferes with normal fetal development, but it's still not taken seriously by a lot of medical professionals," Fejzo says.
Thalidomide, a well-known teratogen in humans, and retinoid derivatives -- used in treatments against leukaemia, psoriasis, and acne -- are known to cause severe heart defects in the fetus.
Potential teratogens are typically screened for using animals such as rodents and rabbits.
Initially, the courts concerned themselves with a narrow set of questions: Was Bendectin a teratogen?
Alcohol was a teratogen, a substance that kills or damages developing cells, the researchers said, and then for the first time used term fetal alcohol syndrome to describe the result.
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