TsimScience

Tiv thaiv kab mob

Qhib ntawm cov thawj hlwb ntawm lub cev (1887) - phagocyte (macrophage) - belongs I. I. Mechnikovu. Phagocytosis (haum ntawm ib co lwm lub hlwb) yog twb paub txij li thaum 1862. Txawm li cas los Mechnikov thawj lub sij hawm tsim ib qhov txuas ntawm tus txheej txheem no thiab cov kev tiv thaiv nuj nqi, uas muaj lub cev. Raws li rau ntau soj ntsuam ntawm, los ntawm lub sij hawm ntawd pib nyob ua ib ke ib ceg ntseeg tshiab ntawm cov tshuaj - Immunology.

Lub cev ntawm tib neeg lub cev yog ib tug sau ntawm anatomical lug. Nws muaj nuj nqi yog los xyuas kom meej tiv thaiv tawm tsam cov allergic ntawm txawv kab agents los ntawm lawv cov metabolic khoom, tej thiab cov nqaij mos muab tej txiaj ntsim txawv teb chaws antigenic zog.

Lub cev muaj peev xwm sawv ntawm paub ib tug lossis loj npaum li cas ntawm pathogens - los ntawm microbes rau cua nab, yog li qhov txawv lawv los ntawm tus kab lwg me me tus kheej hlwb. Nyob rau hauv Feem ntau, lub ntsiab txhais ntawm ib tug kab mob tus neeg saib xyuas yog heev yooj yim los ntawm nws muaj peev xwm kom pab tau los ntawm kev tsim txoj kev tshiab ntawm allergic thiab kab mob.

Antigens yog molecules uas ntxias tej tshua. Tsis tas yav nkag mus rau hauv lub cev los ntawm sab nraum. Piv txwv li, nyob rau hauv autoimmune pathologies li antigens yog lub cev tus kheej hlwb.

Lub hom phiaj yog ua kom puas tus tiv thaiv cov qauv teeb meem pathogen. Lub cev yog endowed nrog ib tug ntau yam ntawm txoj kev thiab cov cuab yeej rau nrhiav kom tau thiab tshem tawm ntawm txawv teb chaws cov neeg ua hauj. No tag nrho tus txheej txheem no hu ua "cov lus teb". Lub cev lus teb tej zaum yuav kis tau los yog congenital.

Nrhiav cov tshuaj tiv thaiv raws ntawm uas twb muaj lawm siab tseem xam qhovkev cov tshuaj tiv thaiv ntawm lub determined hom ntawm txawv teb chaws neeg sawv cev. Nws tso cai rau tus ua allergic ntawm lub pathogen los paub txog thiab muab tshem tawm sai li sai tau.

Nyob rau hauv tej rooj plaub, ib tug neeg tau tsim ib tug lub neej tiv thaiv tawm tsam cov allergic ntawm tej yam antigens, piv txwv li, tom qab lub chicken pox, diphtheria, qhua pias.

Los ntawm ib tug anatomical taw tes ntawm view, lub cev yog dog dig fragmented. Txawm tias ib co dispersal ntawm lub cev, tag nrho nws cov lug muaj ib tug nyob ze kev sib raug zoo los ntawm cov lymphatic thiab cov hlab ntsha. Cov koom haum tiv thaiv qauv yog muab faib mus rau hauv central thiab peripheral. Muaj kuj tiv thaiv kab mob hlwb.

Yuav kom lub hauv paus lymphoid kabmob kev tiv thaiv cov qauv muaj xws li thymus (thymus), lymphoid tsim nyob rau hauv cov nyuv, appendix, me nyuam hauv plab lub siab, hlwb pob txha.

Immunocompetent hlwb pom tau hais tias polynuclear leukocytes, monocytes, lymphocytes, Langerhans hlwb (dawb tawv nqaij epidermotsitov txheej txheem), thiab lwm tus neeg.

Yuav kom tiv thaiv peripheral lymphoid kabmob xws li tus po, cov qog ntshav hauv.

Tag nrho cov pawg ntawm cov tag nrho lub hlwb thiab kabmob uas yuav lub cev ntawm ib tug neeg laus yog hais txog ib tug kilogram.

Lub peripheral lug txawv tshwm sim (tshwm sim ntawm kev sib txawv ntawm homogeneous hlwb) thiab loj hlob ntawm antigen. Nyob rau hauv lub central nruab nrog cev thiab lug ntawm lub mature immunocompetent hlwb. Qhov kawg (feem ntau ntawm lawv) yog lossi circulating. Yog li, ib feem ntawm lub cev lub hlwb los ntawm lub vascular txaj tsiv ntawm tej daim ntawv kev tiv thaiv cov qauv thiab rov qab. Tag nrho cov Cheebtsam ntawm tus tiv thaiv Cheebtsam ntawm cov qauv yog interconnected. Lub hlwb nrog txhua lwm yam mus tas li ncaj qha nkag mus rau lub kev twb kev txuas los yog tso cytokines thiab immunoglobulins (antibodies) mus rau hauv ib puag ncig. Cytokines, uas yog tsim los ntawm cov monocytes thiab macrophages, lub npe hu ua monokines, thiab tsim los ntawm lymphocytes - lymphokines.

Yog li, lub interrelationship ntawm tag nrho cov lug ntawm lub cev thiab nws cov faib cell antibody ntaub ntawv ib tug complex mechanism ntawm nws tus kheej-kev tiv thaiv.

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