Cov txheej txheem:
Video: Lub cev tiv thaiv peb lub cev yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub tsev fuabtais muaj peb kab ntawm tiv thaiv : Ua ntej, Ib tug moat thiab drawbridge. Thawj kab ntawm tiv thaiv nyob rau hauv peb lub cev yog lub cev thiab tshuaj barrier - peb daim tawv nqaij, plab acids, mucus, kua muag, qhov chaw mos, ntawm qhov kawg peb feem ntau tsim lysozyme los rhuav tshem cov kab mob nkag mus.
Xav txog qhov no, 1st 2nd thiab 3rd kab ntawm kev tiv thaiv yog dab tsi?
Cov no yog peb leeg kab kev tiv thaiv , cov ua ntej ua cov teeb meem sab nrauv zoo li tawv nqaij, qhov thib ob yog cov tsis muaj lub cev tshwj xeeb zoo li macrophages thiab dendritic cells, thiab kab thib peb ntawm kev tiv thaiv yog lub cev tiv thaiv kab mob tshwj xeeb ua los ntawm lymphocytes zoo li B- thiab T-cells, uas tau qhib ua haujlwm feem ntau los ntawm dendritic cells, uas
Kuj Paub, dab tsi yog lub cev innate tiv thaiv? Kev tiv thaiv tsis muaj zog yog hais txog cov txheej txheem tiv thaiv tshwj xeeb uas tuaj rau hauv kev ua si tam sim lossis hauv ob peb teev tom qab muaj cov tshuaj tiv thaiv kab mob hauv lub cev. Cov txheej txheem no suav nrog lub cev teeb meem xws li tawv nqaij , tshuaj nyob rau hauv cov ntshav, thiab lub cev tiv thaiv kab mob uas tawm tsam txawv teb chaws hlwb nyob rau hauv lub cev.
Kuj nug tias, lub cev peb kab ntawm kev tiv thaiv yog dab tsi?
Cov kab thib peb ntawm kev tiv thaiv yog tshwj xeeb kuj. Cov kab ke no tso siab rau cov antigens, uas yog cov khoom tshwj xeeb pom muaj nyob hauv cov kab mob txawv teb chaws. Feem ntau cov antigens yog cov proteins uas ua rau lub zog ua kom lub cev tiv thaiv kab mob. Lub sij hawm "antigen" los ntawm ANTI- lub cev Tsim cov tshuaj.
3 hom kev tiv thaiv kab mob yog dab tsi?
Tib neeg muaj peb hom kev tiv thaiv - innate, adaptive, thiab passive:
- Innate immunity: Txhua tus neeg yug los nrog lub cev tsis muaj zog (lossis ntuj tsim) kev tiv thaiv, ib hom kev tiv thaiv dav dav.
- Adaptive immunity: Adaptive (los yog nquag) tiv thaiv kab mob loj hlob thoob plaws hauv peb lub neej.
Pom zoo:
Lub cev tiv thaiv lub cev yog dab tsi?
Lub Cev Tiv Thaiv Lub Cev. Thawj Kab Tiv Thaiv? Cov no yog kev sib xyaw ua ke ntawm lub cev thiab tshuaj tiv thaiv kab mob uas tiv thaiv txhua hom neeg txawv teb chaws los ntawm kev nkag mus rau txheej txheej sab hauv ntawm lub cev. Tsis muaj tus neeg sawv cev txawv teb chaws tshwj xeeb tau tsom mus rau qib no
Lub cev tiv thaiv kab mob yog dab tsi thiab nws txoj haujlwm yog dab tsi?
Lub cev tiv thaiv kab mob yog ib qho kev sib txuas ntawm cov hlwb thiab cov proteins 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
Dab tsi yog peb txoj hauv kev uas koj lub cev tiv thaiv nws tus kheej los ntawm kev kis kab mob?
Tej teeb meem xws li daim tawv nqaij, mucous daim nyias nyias, kua muag, pob ntseg, mucus, thiab plab acid. Tsis tas li, cov dej ntws ib txwm tso zis tawm cov kab mob uas nkag mus rau hauv cov hlab zis. Lub cev tiv thaiv kab mob siv cov qe ntshav dawb thiab cov tshuaj tiv thaiv los txheeb xyuas thiab tshem tawm cov kab mob uas tau dhau los ntawm lub cev cov teeb meem ntuj
Peb lub cev tiv thaiv kab mob tiv thaiv kab mob li cas?
Tib neeg lub cev siv tshuaj tiv thaiv kab mob los tiv thaiv kab mob. Cov tshuaj tiv thaiv kab mob txuas rau cov kab mob, kos rau lawv tias yog cov neeg ntxeem tau kom cov qe ntshav dawb tuaj yeem nkag thiab rhuav tshem lawv. Txog thaum tsis ntev los no, cov tshuaj tiv thaiv tau xav tias tiv thaiv sab nraud ntawm cov hlwb. TRIM21 khi rau cov kab mob nyob rau hauv lub hlwb
Puas yog kev tsim cov tshuaj tiv thaiv kab mob tsis yog lub cev tiv thaiv?
Kev tiv thaiv tshwj xeeb suav nrog teeb meem anatomic, inhibitors, phagocytosis, ua npaws, mob, thiab IFN. Cov kev tiv thaiv tshwj xeeb muaj xws li tshuaj tiv thaiv kab mob thiab kev tiv thaiv kab mob ntawm tes