| 释义 |
teratogen
te·rat·o·gen T0112600 (tə-răt′ə-jən, tĕr′ə-tə-)n. An agent, such as a virus, a drug, or radiation, that causes malformation of an embryo or fetus.teratogen (ˈtɛrətədʒən; tɪˈrætə-) n (Medicine) 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 ˌteratoˈgenic adj ˌteratoˈgenicist n ˌteratogeˈnicity nte•rat•o•gen (təˈræt ə dʒən, -ˌdʒɛn)
n. a drug or other substance capable of interfering with the development of a fetus, causing birth defects. te•rat`o•gen′ic, adj. Thesaurus| Noun | 1. | teratogen - any agent that interferes with normal embryonic development: alcohol or thalidomide or X-rays or rubella are examplesthalidomide - a sedative and hypnotic drug; withdrawn from sale after discovered to cause severe birth defects because it inhibits angiogenesisagent - an active and efficient cause; capable of producing a certain effect; "their research uncovered new disease agents" |
Translationsteratogen
teratogen[tə′rad·ə·jən] (medicine) An agent causing formation of a congenital anomaly or monstrosity. teratogen
teratogen [ter´ah-to-jen] an agent or influence that causes physical defects in the developing embryo; called also developmental toxicant. adj., adj teratogen´ic.ter·a·to·gen (ter'ă-tō-jen), Any agent (for example, a drug) or factor that induces or increases incidence of abnormal prenatal development. [terato- + G. -gen, producing] teratogen (tə-răt′ə-jən, tĕr′ə-tə-)n. An agent, such as a virus, a drug, or radiation, that causes malformation of an embryo or fetus.teratogen Genetics Any agent, chemical, or factor that causes a physical defect in a developing embryo or fetus; maternal medications with known teratogenic effects include aminopterin–spontaneous abortion, malformations; anticoagulants; anticonvulsants; cytotoxic drugs; mepivacaine–bradycardia, death; methimazole & propylthiouracil-goiter; 131I–destruction of fetal thyroid; ♂ sex hormones–methyltestosterone, 17-α-ethinyl-testosterone, 17-α-ethinyl-19-nortestosterone–causes masculinization of ♀, tetracycline–hypoplasia and pigmentation of tooth enamel; trimethadione–abortion, multiple malformations, mental retardation; ♀ sex hormones cause virilization with defective external genitalia, transplacental carcinogenesis by DES. See Fetal warfarin syndrome, Fetal hydantoin syndrome, Thalidomide. Cf Litogen. ter·a·to·gen (ter'ă-tō-jen) A drug or other agent that can produce congenital anomalies or birth defects or increase the incidence of an anomaly in the population. [terato- + G. -gen, producing]teratogen Any agent capable of causing a severe congenital bodily anomaly (monstrosity).teratogen a substance which increases the incidence of congenital malformations.TeratogenAny substance, agent, or process that interferes with normal prenatal development, causing the formation of one or more developmental abnormalities of the fetus.Mentioned in: Congenital Amputation, Congenital Bladder Anomalies, Fetal Alcohol Syndrometer·a·to·gen (ter'ă-tō-jen) Any substance that induces incidence of abnormal prenatal development. [terato- + G. -gen, producing]teratogen
Words related to teratogennoun any agent that interferes with normal embryonic development: alcohol or thalidomide or X-rays or rubella are examplesRelated Words |