Cov txheej txheem:

Dab tsi yog teratogens thiab lawv cov teebmeem?
Dab tsi yog teratogens thiab lawv cov teebmeem?

Video: Dab tsi yog teratogens thiab lawv cov teebmeem?

Video: Dab tsi yog teratogens thiab lawv cov teebmeem?
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Teratogens . Teratogens yog cov tshuaj uas tuaj yeem tsim lub cev lossis lub cev tsis xws luag cov tib neeg embryo los yog fetus tom qab cov poj niam cev xeeb tub raug rau cov yam khoom. Ntxiv thiab, teratogens tej zaum kuj cuam tshuam cev xeeb tub thiab ua rau muaj teeb meem xws li ua haujlwm tsis tiav, rho menyuam tawm, lossis nchuav menyuam.

Hais txog qhov no, dab tsi yog qee qhov piv txwv teratogen?

Lwm yam piv txwv ntawm teratogens pom nyob rau hauv ib puag ncig thiab nyob rau hauv cov xwm txheej txawv txawv tuaj yeem suav nrog hlau, tshuaj, hluav taws xob, thiab txawm tias cua sov. Piv txwv ntawm cov no teratogens tuaj yeem suav nrog mercury, potassium iodide, nuclear fallout hluav taws xob, thiab txawm tias kub kub tubs!

Ib tug kuj yuav nug, dab tsi theem yog teratogens teeb meem tshaj plaws? Feem ntau teratogens tsuas yog muaj teeb meem tsuas yog thaum lub qhov rai tseem ceeb ntawm txoj kev loj hlob (piv txwv li, thalidomide yog teratogenic nkaus xwb ntawm hnub 28 thiab 50 ntawm cev xeeb tub).

Dhau li ntawm saum toj no, dab tsi yog cov teratogens tshaj plaws?

Paub Teratogens

  • angiotensin hloov pauv enzyme (ACE) inhibitors, xws li Zestril thiab Prinivil.
  • cawv.
  • aminopterin.
  • androgens, xws li methyltestosterone (Android)
  • busulfan (Myleran)
  • Carbamazepine (Tegretol)
  • chlorobiphenyls.
  • yeeb yam.

Dab tsi yog ob qhov txaus ntshai tshaj plaws thiab feem ntau teratogens?

Cov feem ntau malformations muaj xws li craniofacial dysmorphisms, cleft palate, thymic aplasia, thiab neural tube defects. Lub tranquilizer thalidomide yog ib qho ntawm cov feem ntau nto moo thiab tsis muaj npe teratogens.

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