![Yam xwm txheej twg tshwm sim rau ob txoj hauv kev sab hauv thiab sab nrauv? Yam xwm txheej twg tshwm sim rau ob txoj hauv kev sab hauv thiab sab nrauv?](https://i.answers-medical.com/preview/medical-health/14110016-which-factors-are-common-to-both-the-intrinsic-and-extrinsic-clotting-pathway-j.webp)
Video: Yam xwm txheej twg tshwm sim rau ob txoj hauv kev sab hauv thiab sab nrauv?
![Video: Yam xwm txheej twg tshwm sim rau ob txoj hauv kev sab hauv thiab sab nrauv? Video: Yam xwm txheej twg tshwm sim rau ob txoj hauv kev sab hauv thiab sab nrauv?](https://i.ytimg.com/vi/p0WHY6IeO50/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ob txoj hauv kev thiab sab hauv ntsib ntawm ib qho kev sib koom ua ke mus ntxiv coagulation , cov txoj hauv kev . Clotting yam koom nrog hauv txoj hauv kev suav nrog yam XII, XI, IX, VIII. Yam ua kom khov koom nrog hauv txoj kev extrinsic suav nrog yam VII, thiab III.
Kuj tseem paub yog, dab tsi yog txoj hauv kev thiab sab nrauv ntawm coagulation?
Cov txoj hauv kev muaj cov ntsiab lus I, II, IX, X, XI, thiab XII. Raws li txhua tus muaj npe, fibrinogen, prothrombin, Christmas factor, Stuart-Prower factor, plasma thromboplastin, thiab Hageman factor. Cov txoj kev extrinsic muaj cov yam I, II, VII, thiab X. Factor VII yog hu ua qhov ruaj khov.
Ib yam nkaus, dab tsi yog txoj hauv kev txuas ntxiv ntawm coagulation? Cov txoj kev extrinsic muaj cov transmembrane receptor cov ntaub so ntswg (TF) thiab plasma factor VII / VIIa (FVII / FVIIa), thiab cov intrinsic txoj kev muaj plasma FXI, FIX, thiab FVIII. Raws li kev mob lub cev, TF tau hais tawm los ntawm kev tsim cov hlwb ib puag ncig cov hlab ntshav thiab pib ua txhaws.
Tib neeg kuj nug tias, txoj hauv kev hauv nruab nrog cev thiab sab nrauv coagulation txawv li cas lawv zoo sib xws?
Cov txoj hauv kev yuav tsum tau xwb txhaws yam tseem ceeb pom hauv cov ntshav nws tus kheej-tshwj xeeb, txhaws yam XII (Hageman factor) los ntawm cov platelets. Cov txoj kev extrinsic yog pib los ntawm yam sab nrauv rau ntshav, nyob rau hauv cov ntaub so ntswg uas nyob ib sab rau cov hlab ntsha puas.
Txoj kev sab hauv thiab sab nraud sib tshuam nyob qhov twg?
Activated factor Xa yog qhov chaw uas lub intrinsic thiab extrinsic coagulation cascades sib hloov . Cov txoj kev extrinsic yog pib ntawm qhov chaw ntawm kev raug mob nyob rau hauv teb rau kev tso tawm ntawm cov ntaub so ntswg (factor III) thiab yog li, kuj hu ua cov ntaub so ntswg yam. txoj kev.
Pom zoo:
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