Video: Lub cev kab ntawm kev tiv thaiv yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Thawj kab kev tiv thaiv (los yog sab nraud tiv thaiv system) suav nrog teeb meem lub cev thiab tshuaj uas ib txwm npaj thiab npaj los tiv thaiv lub cev los ntawm tus kab mob. Cov no suav nrog koj cov tawv nqaij, kua muag, hnoos qeev, cilia, plab acid, zis ntws, cov kab mob 'phooj ywg' thiab cov qe ntshav dawb hu ua neutrophils.
Ua raws li qhov xav tau, 1st 2nd thiab 3rd kab ntawm kev tiv thaiv yog dab tsi?
Cov no yog peb kab kev tiv thaiv , cov thawj yog cov txheej txheem sab nraud xws li tawv nqaij, qhov thib ob yog cov kab mob tsis muaj zog xws li macrophages thiab dendritic cells, thiab peb kab 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 kab thib ob ntawm kev tiv thaiv? Txoj kab thib ob ntawm kev tiv thaiv yog qhov tsis muaj kev tiv thaiv tshwj xeeb uas rhuav tshem cov neeg tawm tsam hauv txoj kev dav dav yam tsis tau tsom rau cov tib neeg tshwj xeeb: phagocytic hlwb noj thiab rhuav tshem tag nrho cov microbes uas nkag mus rau hauv lub cev cov ntaub so ntswg. Rau piv txwv macrophages yog cov cell muab los ntawm monocytes (ib hom qe ntshav dawb).
Tsis tas li, lub cev peb kab ntawm kev tiv thaiv yog dab tsi?
Muaj peb kab ntawm kev tiv thaiv : thawj yog kom cov neeg tawm tsam tawm (los ntawm daim tawv nqaij, daim nyias nyias, thiab lwm yam), qhov thib ob kab kev tiv thaiv muaj txoj hauv kev tshwj xeeb los tiv thaiv kab mob uas tau tawg los ntawm thawj kab kev tiv thaiv (xws li nrog cov lus teb thiab ua npaws).
Txoj kab kev tiv thaiv twg yog qhov tseem ceeb tshaj?
Thawj kab kev tiv thaiv Lub cev tseem ceeb tshaj plaws tsis meej tiv thaiv yog daim tawv nqaij, uas ua raws li lub cev barrier kom tsis txhob pathogens.
Pom zoo:
Dab tsi yog txhais los ntawm kev tiv thaiv kab mob tiv thaiv kab mob?
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
Dab tsi yog kev tiv thaiv kab mob tiv thaiv kab mob hauv microbiology?
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
Kev tiv thaiv kab mob thiab kev tiv thaiv kab mob yog dab tsi?
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
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