Puas antigen txhawb lub cev tiv thaiv kab mob?

Cov txheej txheem:

Puas antigen txhawb lub cev tiv thaiv kab mob?
Puas antigen txhawb lub cev tiv thaiv kab mob?
Anonim

Antigens yog txhua yam tshuaj uas lub cev tiv thaiv kab mob tuaj yeem lees paub thiab tuaj yeem ua rau lub cev tiv thaiv kab mob. Yog tias cov tshuaj tiv thaiv pom tau tias muaj kev phom sij (piv txwv li, yog tias lawv tuaj yeem ua rau muaj kab mob), lawv tuaj yeem txhawb kev tiv thaiv kab mob hauv lub cev.

Yuav ua li cas txhawb lub cev tiv thaiv kab mob?

Antigens thiab tshuaj tiv thaiv Ib antigen yog ib qho molecule uas txhawb kev tiv thaiv kab mob thiab cov tshuaj tiv thaiv kab mob - qhov tseeb, lub npe yog muab los ntawm antibody generators” Ib yam kab mob twg muab muaj ntau yam antigens.

Lub luag haujlwm ntawm antigens hauv kev tiv thaiv kab mob yog dab tsi?

Antigens yog cov tshuaj (feem ntau yog cov proteins) nyob rau saum npoo ntawm cov hlwb, kab mob, fungi, lossis kab mob. Cov khoom tsis muaj sia xws li co toxins, tshuaj lom neeg, tshuaj, thiab cov khoom txawv teb chaws (xws li splinter) tuaj yeem yog antigens. Lub cev tiv thaiv kab mob lees paub thiab rhuav tshem, lossis sim ua kom puas, cov tshuaj muaj antigens.

3 hom antigens yog dab tsi?

Muaj peb yam tseem ceeb ntawm cov tshuaj tiv thaiv

Peb txoj kev dav los txhais cov tshuaj tiv thaiv muaj xws li exogenous (tawm txawv teb chaws rau lub cev tiv thaiv kab mob), endogenous (tsim los ntawm intracellular Cov kab mob thiab tus kab mob replicating nyob rau hauv ib lub cell cell), thiab autoantigens (tsim los ntawm tus tswv tsev).

piv txwv ntawm antigens yog dab tsi?

Txawv teb chaws antigens los ntawm sab nraud lub cev. Piv txwv suav nrog feem ntawm lossis cov khoom tsim los ntawmCov kab mob lossis kab mob (xws li cov kab mob thiab cov kab mob protozoa), nrog rau cov tshuaj nyob rau hauv nab venom, qee cov proteins hauv cov zaub mov, thiab cov khoom ntawm cov ntshav thiab cov qe ntshav liab los ntawm lwm tus neeg.

Pom zoo:

Nthuav cov khoom
Puas yog ectopic beats txaus ntshai?
Nyeem ntxiv

Puas yog ectopic beats txaus ntshai?

Zoo li feem ntau ua rau palpitations, ectopic beats yog feem ntau tsis mob thiab tsis txhais hais tias koj muaj mob plawv. Lawv feem ntau yuav tsum tsis muaj kev kho mob tshwj tsis yog tias lawv tshwm sim ntau zaus lossis hnyav heev. Palpitations thiab ectopic beats feem ntau tsis muaj dab tsi txhawj txog.

Ob lub khob hu ua dab tsi?
Nyeem ntxiv

Ob lub khob hu ua dab tsi?

ob chav tshuaj yej khob yog consommé lossis bouillon khob uas tus tswv tsev siv los tuav lub teeb khoom noj txom ncauj thaum tshuaj yej tsis puv txaus ua dej haus. 2 khob khob hu li cas? Ob lub khob tau siv los ua "Khov Hlub"

Leej twg yog miriam o callaghan sib yuav?
Nyeem ntxiv

Leej twg yog miriam o callaghan sib yuav?

Miriam O'Callaghan yog tus tshaj tawm xov xwm hauv tebchaws Irish nrog RTÉ. O'Callaghan tau nthuav tawm Prime Time txij li xyoo 1996, thiab nws tus kheej lub caij ntuj sov tham qhia, Hnub Saturday Hmo Ntuj nrog Miriam, txij xyoo 2005 mus ntxiv.