Video: Cov platelet plugs nyob qhov twg?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Plug tsim tau qhib los ntawm glycoprotein hu ua Von Willebrand factor (vWF), uas pom hauv ntshav. Platelets ua ib lub luag haujlwm tseem ceeb hauv cov txheej txheem hemostatic. Thaum twg cov platelets tuaj hla cov cell endothelium raug mob, lawv hloov pauv, tso cov granules thiab thaum kawg ua 'nplaum'.
Tsis tas li, yuav ua li cas thiaj li muaj cov platelet ntsaws?
Platelet ntsaws . Xws li, platelet ntsaws kev tsim tawm tshwm sim tom qab vasoconstriction ntawm cov hlab ntshav tab sis ua ntej tsim cov fibrin mesh khov, uas yog qhov kev daws mus tas li rau qhov raug mob. Qhov tshwm sim ntawm platelet ntsaws tsim yog coagulation ntawm cov ntshav. Nws kuj tseem tuaj yeem raug xa mus ua thawj hemostasis.
Ib yam li ntawd, qhov sib txawv ntawm cov ntsaws platelet thiab cov ntshav khov yog dab tsi? TL; DR- A platelet ntsaws yog kev sib sau ua ke ntawm cov platelets uas tsim tawm yam tsis muaj kev ua raws mus sij hawm ntev ntawm qhov chaw raug mob endothelial. Qhov tseeb " txhav "tshwm sim thaum qhib fibrin" glues "cov no cov platelets ua ke hauv a daim ntawv ruaj khov
Tom qab ntawd, lo lus nug yog, dab tsi ua kom lub ntsaws ruaj khov?
Cov cov platelets pib ua ke ua ke, dhau los ua cov nplaum thiab nplaum, thiab khi rau qhov nthuav tawm cov collagen thiab cov kab hauv qhov kawg. Cov txheej txheem no tau pab los ntawm glycoprotein hauv ntshav ntshav hu ua von Willebrand factor, uas pab ruaj khov txoj kev loj hlob platelet ntsaws.
Nws siv sijhawm ntev npaum li cas rau cov platelets rov tsim dua?
Koj lub cev yuav hloov cov kua hauv cov ntshav (ntshav) thiab cov platelets tsis pub dhau ob hnub thiab cov qe ntshav liab tsis pub dhau 56 hnub.
Pom zoo:
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