Video: Dab tsi teratogen tuaj yeem ua rau lub ntsej muag deformities?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Kev siv aminopterin thaum cev xeeb tub tuaj yeem ua rau lub hlwb txawv txav xws li anencephaly, qhov twg tag nrho lossis ib feem ntawm lub hlwb ploj lawm, lossis hydrocephalus, uas yog kev tsim cov kua hauv lub hlwb. Cov tshuaj no tau thiab ua rau lub ntsej muag txawv txav xws li cleft di ncauj thiab cleft palate.
Kuj paub, dab tsi kev yug menyuam tsis yog los ntawm teratogens?
Teratogens yog ib puag ncig ib puag ncig uas ua rau muaj kev ruaj khov lossis ua haujlwm tsis zoo lossis tuag ntawm lub embryo lossis menyuam hauv plab. Ntau yam kev tsis zoo hauv lub cev tsis paub keeb kwm, tab sis paub teratogens suav nrog tshuaj, niam muaj mob thiab kis kab mob, muaj tshuaj lom hlau, thiab siv lub cev (piv txwv li, hluav taws xob).
Tom qab ntawd, lo lus nug yog, 4 teratogens yog dab tsi? Teratogens tau muab cais ua plaub hom: tus neeg sawv cev ntawm lub cev, cov txheej txheem hauv metabolic, kis kab mob, thiab thaum kawg, tshuaj thiab tshuaj lom neeg. Lo lus teratogen keeb kwm los ntawm lo lus Greek rau monster, teratos.
Ua kom pom qhov no, teratogen feem ntau yog dab tsi?
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 nto moo teratogens.
Dab tsi yog qee qhov piv txwv ntawm teratogen?
Lwm yam piv txwv ntawm teratogens pom nyob ib puag ncig thiab hauv qhov xwm txheej txawv txawv tuaj yeem suav nrog hlau, tshuaj lom neeg, hluav taws xob, thiab tseem kub. Piv txwv ntawm cov no teratogens tuaj yeem suav nrog mercury, potassium iodide, hluav taws xob poob qis, thiab txawm tias kub-kub kub tub!
Pom zoo:
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