Video: Kev txhim kho kev tiv thaiv txhais li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Hauv biology, kev tiv thaiv yog Lub xeev sib npaug ntawm cov kab mob sib luag uas muaj kev tiv thaiv kab mob txaus los tiv thaiv kab mob, kab mob, lossis lwm yam kev cuam tshuam tsis zoo ntawm cov kab mob lom, thaum muaj kev ua siab ntev txaus kom tsis txhob ua xua, thiab kab mob autoimmune.
Ib yam nkaus, tib neeg nug, peb tsim kev tiv thaiv kab mob li cas?
Thaum lub cev raug cov kab mob, kab mob, fungi, los yog cab kab mob los ntawm kev kis kab mob los yog txhaj tshuaj tiv thaiv. tiv thaiv kab mob system tsim cov tshuaj tiv thaiv thiab tiv thaiv kab mob cov hlwb uas tsis ua haujlwm lossis rhuav tshem cov kab mob tshwj xeeb.
kev tiv thaiv kab mob yog dab tsi? Cov tiv thaiv kab mob yog tus tiv thaiv tus tswv tsev lawv suav nrog ntau cov qauv kev lom neeg thiab cov txheej txheem hauv lub cev uas tiv thaiv kab mob. Txawm tias cov kab mob yooj yooj yim unicellular xws li cov kab mob muaj cov hauv paus tiv thaiv kab mob nyob rau hauv daim ntawv ntawm cov enzymes uas tiv thaiv kab mob bacteriophage.
Ib tus kuj tseem yuav nug, kev tiv thaiv qee yam txhais tau li cas?
Lub adjective tiv thaiv kab mob los ntawm Latin lo lus immunis, uas txhais tau tias "Raug zam los ntawm kev pabcuam pej xeem." Yog tias koj raug tiv thaiv - lossis raug zam - los ntawm kab mob, raug mob, ua haujlwm, thuam, lossis kev liam, ces koj nyob nraum tiv thaiv kab mob.
Kev tiv thaiv kab mob thiab hom kev tiv thaiv kab mob yog dab tsi?
Ob hom kev tiv thaiv exist - active thiab passive: nquag kev tiv thaiv tshwm sim thaum peb tus kheej tiv thaiv kab mob system yog lub luag hauj lwm los tiv thaiv peb ntawm ib tug kab mob. Passive kev tiv thaiv tshwm sim thaum peb raug tiv thaiv los ntawm kab mob los ntawm kev tiv thaiv tau txais los ntawm lwm tus.
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
Yuav tiv thaiv kev tiv thaiv tus kheej li cas?
Passive Immunity. Kev tiv thaiv tsis zoo tuaj yeem tshwm sim ib txwm muaj, xws li thaum tus menyuam mos tau txais niam cov tshuaj tiv thaiv los ntawm lub tsho me nyuam lossis niam mis, lossis dag, xws li thaum tus neeg tau txais cov tshuaj tiv thaiv kab mob hauv kev txhaj tshuaj (txhaj tshuaj gamma globulin)
Cell tiv thaiv kev tiv thaiv kab mob ua haujlwm li cas?
Cell-mediated immunity (CMI) yog kev tiv thaiv kab mob uas tsis koom nrog cov tshuaj tiv thaiv tab sis ntau ntxiv nrog kev ua kom macrophages thiab NK-cells, tsim cov antigen-specific cytotoxic T-lymphocytes, thiab tso tawm ntau yam cytokines hauv kev teb rau antigen
Cell tiv thaiv kev tiv thaiv kab mob txhais tau li cas?
Los ntawm Wikipedia, phau ntawv txhais lus pub dawb. Kev tiv thaiv kab mob ntawm tes yog kev tiv thaiv kab mob uas tsis koom nrog cov tshuaj tiv thaiv kab mob. Qhov tseeb, kev tiv thaiv kab mob hauv nruab nrab ntawm tes yog ua kom muaj phagocytes, antigen-specific cytotoxic T-lymphocytes, thiab tso tawm ntau yam cytokines hauv kev teb rau antigen
Cov kev tiv thaiv tsis tshwj xeeb tiv thaiv lub cev li cas?
Lub cev tsis muaj zog tiv thaiv kab mob no tsis muaj kev tiv thaiv tshwj xeeb los ntawm cov txheej txheem tiv thaiv, uas 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 tsim kev puas tsuaj los yog rhuav tshem cov neeg tuaj txawv teb chaws, thiab cov cell uas tawm tsam cov cell txawv teb chaws thiab lub cev lub cev muaj cov kab mob sib kis