Video: Cov kev tiv thaiv tsis tshwj xeeb tiv thaiv lub cev li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub cev tiv thaiv kab mob hauv lub cev muab qhov zoo li no tsis muaj kev tiv thaiv tshwj xeeb los ntawm ib tug xov tooj ntawm tiv thaiv cov txheej txheem, suav nrog cov teeb meem ntawm lub cev xws li tawv nqaij, teeb meem tshuaj lom neeg xws li cov tshuaj tua kab mob tua kab mob uas ua mob lossis ua kom puas tsuaj, thiab cov cell uas tawm tsam cov cell txawv teb chaws thiab lub cev cell harboring cov kab mob.
Yooj yim li ntawd, dab tsi koom nrog hauv kev tiv thaiv tshwj xeeb?
Kev tiv thaiv tsis tshwj xeeb suav nrog teeb meem lub cev thiab tshuaj lom neeg, cov tshuaj tiv thaiv kab mob, thiab interferons. Cov teeb meem no tau pab los ntawm ntau yam tshuaj tua kab mob hauv cov nqaij thiab kua. Ib qho piv txwv ntawm cov khoom no yog lysozyme, ib qho enzyme muaj nyob hauv cov kua muag uas ua rau lub cell puas ntawm qee cov kab mob.
Tom qab, lo lus nug yog, dab tsi yog kev tiv thaiv tshwj xeeb? Kev Tiv Thaiv Tshwj Xeeb (Immune System) Lub cev tiv thaiv kab mob yog kab thib peb ntawm tiv thaiv . Nws suav nrog cov tswv yim thiab cov neeg sawv cev uas lub hom phiaj tshwj xeeb Antigens (Ag). Antigen yog ib qho molecule, feem ntau yog cov protein lossis polysaccharide, uas tuaj yeem txheeb xyuas tau tias yog neeg txawv teb chaws (tsis yog tus kheej) lossis tus kheej (xws li MHC antigens piav qhia hauv qab no).
Ib yam nkaus, plaub yam kev tiv thaiv lub cev tshwj xeeb yog dab tsi?
Nonspecific tiv thaiv muaj xws li anatomic barriers, inhibitors, phagocytosis, kub taub hau, 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. Cov ntaub ntawv los ntawm kev tshawb fawb los ntawm B.
Dab tsi yog qhov tshwj xeeb thiab tsis muaj kev tiv thaiv tshwj xeeb?
Lub cev tiv thaiv kab mob tiv thaiv lub cev los ntawm cov kab mob ua rau cov kab mob. Cov tsis muaj kev tiv thaiv tshwj xeeb , xws li daim tawv nqaij thiab mucous daim nyias nyias, tiv thaiv cov kab mob nkag mus rau hauv lub cev. Cov kev tiv thaiv tshwj xeeb tau qhib thaum cov kab mob me me khiav tawm tsis muaj kev tiv thaiv tshwj xeeb thiab ntxeem lub cev.
Pom zoo:
Cov ntsiav tshuaj daim ntawv twg muaj cov txheej tshwj xeeb uas tiv thaiv lub plab acid thiab ua rau cov tshuaj yaj hauv cov hnyuv?
Cov txheej txheej enteric yog cov txheej txheem polymer siv rau ntawm cov tshuaj hauv qhov ncauj uas tiv thaiv nws txoj kev tawg lossis tsis tawg hauv ib puag ncig lub plab
Ntev npaum li cas txog thaum koj cev xeeb tub tom qab tso tseg kev tiv thaiv kev xeeb tub?
Rau lub hlis
Kev sib raug zoo ntawm lub cev xeeb tub thiab lub cev tiv thaiv kab mob yog dab tsi?
Thaum lub cev tiv thaiv kab mob los ntawm lub cev tam sim ntawd, qhov kev tiv thaiv kev tiv thaiv kab mob tsis yog. Txawm li cas los xij, cov txiaj ntsig ntawm kev hloov lub cev tiv thaiv kab mob yog qhov ntev ntev, tshwj xeeb heev, thiab muaj kev txhawb nqa mus ntev los ntawm kev nco T 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
Cov hlwb dab tsi koom nrog hauv kev tiv thaiv tsis tshwj xeeb?
Nonspecific tiv thaiv cell. Ib lub cev tiv thaiv kab mob tsis tshwj xeeb yog lub cev tiv thaiv kab mob (xws li macrophage, neutrophil, lossis dendritic cell) uas teb rau ntau cov tshuaj tiv thaiv, tsis yog ib qho antigen xwb. Cov kab mob tsis muaj kab mob tshwj xeeb ua haujlwm hauv thawj kab ntawm kev tiv thaiv kab mob los yog raug mob