Cov txheej txheem:

Dab tsi yog teratogens ua ntej yug menyuam?
Dab tsi yog teratogens ua ntej yug menyuam?

Video: Dab tsi yog teratogens ua ntej yug menyuam?

Video: Dab tsi yog teratogens ua ntej yug menyuam?
Video: Yug me nyuam dab ntxaug los nqu ntshav 2024, Lub Xya hli ntuj
Anonim

A tshuaj teratogen yog ib tus neeg sawv cev uas ua rau muaj qhov txawv txav hauv qab no fetal exposure thaum cev xeeb tub . Teratogens feem ntau tau pom tom qab muaj kev nce qib ntawm ib qho tshwj xeeb yug qhov tsis xws luag. Piv txwv li, thaum ntxov xyoo 1960, cov tshuaj hu ua thalidomide tau siv los kho mob thaum sawv ntxov.

Qhov tseeb, qee yam teratogens hauv cev xeeb tub yog dab tsi?

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.

Ib tus kuj yuav nug, teratogens yog dab tsi? Teratogen : Txhua tus neeg sawv cev uas tuaj yeem cuam tshuam kev loj hlob ntawm embryo lossis fetus. Teratogens tej zaum yuav ua rau muaj kev tsis haum xeeb ntawm tus menyuam. Los yog a tshuaj teratogen tej zaum yuav txwv tsis pub cev xeeb tub kiag li. Cov chav kawm ntawm teratogens suav nrog hluav taws xob, kab mob niam txiv, tshuaj, thiab tshuaj.

Qhov thib ob, dab tsi yog qee qhov piv txwv ntawm 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!

Dab tsi yog qhov cuam tshuam ntawm teratogens ntawm kev loj hlob ntawm cev xeeb tub?

Teratogens . A tshuaj teratogen yog ib yam khoom ib puag ncig lossis tus neeg sawv cev-lom, tshuaj lom neeg, lossis lub cev-uas tuaj yeem ua rau muaj kev puas tsuaj nyhuv ntawm a txhim kho menyuam hauv plab . Kev nphav raug rau teratogens thaum lub sij hawm cev xeeb tub theem tuaj yeem ua rau muaj kev pheej hmoo ntawm kev yug menyuam.

Pom zoo: