Kwv yees li 70 feem pua ntawm cov qe ntshav dawb yog phagocytes. Lawv yog ib feem ntawm lub cev tiv thaiv kab mob, tab sis lawv tsis tsim cov tshuaj tiv thaiv. Hloov chaw, lawv noj thiab rhuav tshem cov kab mob xws li kab mob.
Puas phagocytes tsim tshuaj tua kab mob?
Ob txoj kab phagocytic muaj qhov zoo sib xws ntawm kev tswj hwm kev ua phem rau sab nraud, los ntawm cov txheej txheem sib txuas ua ke nrog rau kev taw qhia motility (chemotaxis), paub txog cov khoom txawv teb chaws los ntawm daim nyias nyias lectins thiab receptors, engulfment rau hauv vacuole (phagosome), degranulation ntawm intracellular. lub pas dej secretory (…
Puas phagocytes zais cov tshuaj tiv thaiv?
Phagocytes, tshwj xeeb tshaj yog cov hlwb dendritic thiab macrophages, stimulate lymphocytes los tsim cov tshuaj tiv thaiv los ntawm cov txheej txheem tseem ceeb hu ua antigen kev nthuav qhia.
phagocytes ua dab tsi?
Phagocyte, hom cell uas muaj muaj peev xwm noj, thiab qee zaum zom, cov khoom txawv teb chaws, xws li cov kab mob, carbon, plua plav, lossis zas xim. Nws engulfs txawv teb chaws lub cev los ntawm kev ncua nws cytoplasm rau hauv pseudopods (cytoplasmic extensions zoo li ko taw), nyob ib ncig ntawm txawv teb chaws particle thiab tsim ib tug vacuole.
YPuas yog phagocytosis yog tshuaj tiv thaiv?
Phagocytosis ua rau muaj kev tiv thaiv kab mob sib txawv nyob ntawm hom cell-piv txwv li, tshuaj tiv thaiv kab mob phagocytosis los ntawm macrophages ua rau txhim kho kab mob kev puas tsuaj thiab kev nthuav qhia antigen, thaum cov tshuaj tiv thaiv kab mob sib kho phagocytosis los ntawmplasmacytoid dendritic hlwb ua rau txhim kho kev tso tawm ntawm interferon alpha (…
