thromboplastin Ib pawg ntawm cov lipoprotein tebchaw pom meej tso tawm los ntawm cov ntshav platelets ntawm qhov chaw raug mob. Nyob rau hauv lub xub ntiag ntawm calcium ions thiab lwm yam, nws catalyses hloov dua siab tshiab ntawm prothrombin rau hauv thrombin thaum lub sij hawm cov ntshav txhaws.
thrombin tso tawm qhov twg?
Thrombin yog ib tug tswv cuab ntawm serine protease tsev neeg, thiab nws yog generated los ntawm nws inactive precursor prothrombin los ntawm Factor Xa, raws li ib feem ntawm lub prothrombinase complex, nyob rau saum npoo ntawm activated cells. Cov tshuaj tiv thaiv hemostatic yog qhov paub zoo tshaj plaws ntawm thrombin.
Dab tsi ua rau thrombin tso tawm?
cov ntaub so ntswg sab nraud ntawm lub nkoj txhawb nqa cov khoom tsim thrombin los ntawm kev ua kom lub zog ntawm cov hlab ntsha. Thrombin ua rau platelet aggregation. Platelets raug thrombin zais lawv cov granules thiab tso cov ntsiab lus ntawm cov granules rau hauv cov ntshav plasma.
Thromboplastin siv rau dab tsi?
Thromboplastin (TPL) lossis thrombokinase yog qhov sib xyaw ntawm ob qho tib si phospholipids thiab cov ntaub so ntswg pom muaj nyob rau hauv cov ntshav pab ntshav coagulation los ntawm kev hloov pauv ntawm prothrombin mus rau thrombin.
Leej twg tso tawm thrombokinase?
- Thrombokinase yog ib qho enzyme uas muaj nyob rau hauv cov ntshav platelets thiab nws converts prothrombin rau hauv thrombin. Cov enzyme pab hauv cov txheej txheem ntawm cov ntshav txhaws. - Thaum cov hlab ntsha raug mob, nws tso tawm thrombokinase.
