词汇 | teratogenic |
释义 | BETA Examples of teratogenicteratogenic isn’t in the Cambridge Dictionary yet. You can help! The underlying causes of dysfunction or damage are manifold, ranging from the interaction of susceptibility genes to teratogenic factors and acquired lesions of other kinds. Teratogenic effects of neonatal arenavirus infection on the developing rat cerebellum are abrogated by passive immunotherapy. Teratogenic treatments, with the exception of fasting, also cause a variable number of deaths. This may be an example of a genetic factor contributing to the observed teratogenic effect of the phenothiazine treatment. The final teratogenic outcome can vary markedly between species, strains and individuals. The occurrence of a drug withdrawal syndrome can rightfully be included in the assessment of the teratogenic potential of psychotropic drugs. From all the studies mentioned, a reasonable interpretation would be that oral contraceptives present no major teratogenic hazard. The teratogenic risk is highest during the sixth to ninth week of pregnancy. The environmental teratogenic hazards primarily to be considered here are drugs, chemicals (industrial and agricultural), infections, radiation and nutritional factors. Toxicological studies on the teratogenic potential of drugs have tended to be restricted mainly to screening for gross morphological abnormalities. Perception of teratogenic risk may be one reason why women may not take medication that is prescribed. They found no evidence the drug was teratogenic; no major fetal malformations were identified in this cohort. The teratogenic response of different strains to individual treatments was highly variable. For example, withholding teratogenic medication and substances from pregnant women is simple enough if the teratogens and their effects are known. Thus, pollutants can interfere with development by disrupting metabolic process and thereby act as teratogenic substances, albeit fairly non-specific. These findings suggest that although corticosteroids do not represent a major teratogenic risk in humans, there is a small but increased risk for oral clefts. Six hours after dams were injected with a teratogenic dose, expression had more than tripled. Reports of hazardous chemical exposures to both male and female workers and related carcinogenic, mutagenic and now teratogenic effects are ever-increasing. Chemicals used for agricultural purposes represent another source of potential teratogenic hazard. |
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