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Video: Kev tiv thaiv kev phom sij yog dab tsi?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
tiv thaiv kev ntsuas suav nrog kev siv cov txheej txheem tshwj xeeb, hu ua kev tiv thaiv (tus tiv thaiv, tiv thaiv-khoom siv), los tiv thaiv cov neeg ua haujlwm los ntawm kev phom sij uas tsis tuaj yeem raug tshem tawm lossis tsim nyog txwv los ntawm kev tsim."
Tib neeg tseem nug, dab tsi yog lub tswv yim zoo rau kev pab tiv thaiv kev kis tus kab mob tshuaj tua kab mob?
Muaj ntau txoj hauv kev uas tshuaj- tiv taus Kev tiv thaiv kab mob tuaj yeem tiv thaiv tau: kev txhaj tshuaj tiv thaiv kab mob, kev npaj zaub mov zoo, ntxuav tes, thiab siv tshuaj tua kab mob raws li qhia thiab tsuas yog thaum tsim nyog. Tsis tas li ntawd, tiv thaiv kab mob kuj tiv thaiv tus kis mus ntawm tiv taus kab mob.
Tom qab ntawd, lo lus nug yog, dab tsi muaj kev cuam tshuam kev sib txuas lus? Tus tswv hauj lwm Lub luag haujlwm Tus tswv tsev ua haujlwm tuav lub luag haujlwm tseem ceeb rau kev muab qhov chaw tshwj xeeb kev sib txuas lus txaus ntshai cov ntaub ntawv thiab kev qhia txog tshuaj lom neeg kev phom sij hauv chaw ua haujlwm rau cov neeg ua haujlwm ib ntus vim nws siv lossis tsim tawm txaus ntshai tshuaj lom neeg thiab tsim thiab tswj cov txheej txheem ua haujlwm.
Ib tus kuj yuav nug, kev xyaum twg yog txoj hauv kev nyab xeeb tshaj plaws los zaum ntawm lub khoos phis tawj?
Qhov twg xyaum yog txoj kev nyab xeeb tshaj plaws los zaum ntawm lub rooj thaum ntaus ntawv khoos phis tawj ? Khaws lub hauv caug thiab lub duav ntawm 90-degree lub kaum ntse ntse thiab lub dab teg ncaj. Zaum ntawm lub rooj thiab ntaus ntawv tuaj yeem ua rau sab nraub qaum thiab ua rau raug mob. Tiv thaiv lub nraub qaum, zaum nrog lub hauv caug thiab lub duav ntawm 90-degree.
Cov cuab yeej tiv thaiv ua dab tsi los tiv thaiv tus neeg ua haujlwm?
Tiv thaiv hu rau: The tiv thaiv yuav tsum tiv thaiv txhais tes, caj npab, thiab lwm yam ntawm a cov neeg ua haujlwm lub cev los ntawm kev sib cuag nrog qhov txaus ntshai txav qhov chaw. Ib qho zoo kev ruaj ntseg system tshem tawm qhov ua tau ntawm tus neeg teb xov tooj lossis lwm tus tus neeg ua haujlwm tso ib feem ntawm lawv lub cev nyob ze qhov txav chaw uas muaj kev phom sij.
Pom zoo:
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Kev tshuaj tiv thaiv kab mob tiv thaiv kab mob tau siv los txiav txim siab tias cov tshuaj tua kab mob tshwj xeeb tshwj xeeb cov kab mob tshwj xeeb lossis kab mob hu ua fungus. Feem ntau, qhov kev sim no ua tiav Gram Stain thiab kab lis kev cai, cov txiaj ntsig uas tau txais sai dua
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Kev tiv thaiv kev tiv thaiv yog ob txoj hauv kev cuam tshuam nrog kev tiv thaiv tsis zoo (cov tshuaj tiv thaiv tsim los ntawm B cells) thiab kev tiv thaiv ntawm tes (T cells qhia tawm tsam cov kab mob hauv hlwb). Antigens, tseem hu ua immunogens, yog cov lwg me me uas qhib kev tiv thaiv kev tiv thaiv
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Lub cev tiv thaiv kab mob yog lub network nyuaj ntawm cov cell thiab cov protein uas tiv thaiv lub cev tiv thaiv kab mob. Lub cev tiv thaiv kab mob khaws cov ntaub ntawv ntawm txhua tus kab mob (microbe) nws tau swb lawm yog li nws tuaj yeem lees paub thiab rhuav tshem cov kab mob sai sai yog tias nws nkag mus rau hauv lub cev dua
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Kev tiv thaiv kab mob yog lub cev teb los ntawm nws lub cev tiv thaiv kab mob los ntawm antigens. Kev tiv thaiv kab mob tuaj yeem suav nrog kev tiv thaiv kab mob rau cov kab mob me me thiab nws cov khoom, ua xua, tsis kam lees, nrog rau kev tiv thaiv kab mob rau tus kheej-antigens
Kev tiv thaiv dab tsi tshwm sim los ntawm kev txhaj tshuaj tiv thaiv?
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Artificially tau txais kev tiv thaiv kab mob tuaj yeem tsim los ntawm tshuaj tiv thaiv, ib yam khoom uas muaj antigen. Ib qho tshuaj tiv thaiv ua rau cov lus teb thawj zaug tawm tsam antigen yam tsis ua rau cov tsos mob ntawm tus kab mob