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Of, relating to, or causing malformations of an embryo or fetus.

ter′a·to·ge·nic′i·ty (-jə-nĭs′ĭ-tē) n.
ter′a·to·gen′e·sis (-ĭ-sĭs) n.


(ˌtɛrətəˈdʒɛnəsɪs) or


the creation of monsters


(təˌræt əˈdʒɛn ə sɪs)

also ter•a•tog•e•ny

(ˌtɛr əˈtɒdʒ ə ni)

the production or induction of malformations or monstrosities, esp. in an embryo or fetus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.teratogenesis - the development of defects in an embryo
growing, growth, ontogenesis, ontogeny, maturation, development - (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level; "he proposed an indicator of osseous development in children"


a. teratogénesis, producción de anomalías severas en el feto.
References in periodicals archive ?
Valproic acid-induced somite teratogenesis in the chick embryo: relationship with Pax- 1 gene expression.
MG dyes contain toxic properties which are known to carcinogenesis, mutagenesis, teratogenesis and respiratory toxicity [19].
Because of this, it is unlikely that it causes teratogenesis.
The wide range of clinical features observed in people affected by in utero alcohol exposure underlines the importance of investigating the mechanisms of alcohol-related teratogenesis at a molecular level.
This finding suggests that the frontal-striatal circuitry thought to mediate inhibitory control is sensitive to alcohol teratogenesis.
He uses Frog Embryo Teratogenesis Assay- Xenopus (FETAX) as one of his research techniques to study the effects of chemicals and other environmental factors on amphibians, and biomarkers to study vitellogenin induction by anthropogenic estrogens.
Although we support current guidelines to avoid efavirenz in reproductive-age women not using contraception, (13) the evidence indicates a low risk to an inadvertently exposed fetus and does not justify pregnancy termination based on the possible risk of teratogenesis.
DNA synthesis inhibition and cell death associated with hydroxyurea teratogenesis in rat embryos.
DENVER -- Unintentional pregnancies occurring during interferon [beta]-1a therapy for multiple sclerosis do not appear to be at increased risk for teratogenesis or spontaneous abortion, Dr.
DENVER -- Unintentional pregnancies occurring during interferon beta-la therapy for multiple sclerosis do not appear to be at increased risk for teratogenesis or spontaneous abortion, Dr.
In Chapter six the author missed a good opportunity to discuss biochemical principles in more detail such processes like mutagenesis, chemical carcinogenesis, teratogenesis and immunotoxicity, which are fundamental in toxicology.