Cov txheej txheem:
Video: Qhov twg ntawm cov ntshav pab ua ntshav khov?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Platelets yog me me ntshav cell uas pab koj lub cev daim ntawv txhaws kom tsis txhob los ntshav. Yog ib yam ntawm koj ntshav cov hlab ntsha tau txais kev puas tsuaj, nws xa tawm cov cim rau platelets. Cov platelets mam li maj mus rau qhov chaw puas. lawv tsim ib lub plug ( clot ) kho qhov kev puas tsuaj.
Cov lus nug tseem yog, dab tsi ntawm cov ntshav txhaws?
Thaum qhia cov cell, tshwj xeeb yog cov nqaij tawg lossis raug mob, ntshav coagulation tau qhib thiab fibrin clot yog tsim sai heev. Cov protein nyob rau saum npoo ntawm cov hlwb uas yog lub luag haujlwm rau kev pib ntawm ntshav txhaws yog paub tias yog cov ntaub so ntswg, lossis cov ntaub so ntswg thromboplastin.
Ib sab saum toj no, dab tsi yog qhov ua rau cov ntshav txhaws? Coagulation yam yog cov proteins hauv cov khoom noj ntshav uas pab tswj cov ntshav. Koj muaj ntau yam sib txawv coagulation yam hauv koj ntshav . Thaum koj tau txais kev txiav los yog lwm yam kev raug mob uas ua rau los ntshav, koj coagulation yam ua hauj lwm ua ke los tsim ib ntshav khov . Cov clot txwv tsis pub koj poob ntau dhau lawm ntshav.
Hauv qhov no, ntshav txhaws ua kom homeostasis li cas?
Platelets daim ntawv txhaws uas tiv thaiv ntshav poob tom qab raug mob. Ntshav plays lub luag haujlwm tseem ceeb hauv kev tswj hwm lub cev lub cev thiab tswj homeostasis . Nws ua haujlwm ntau hauv lub cev, suav nrog: muab cov pa oxygen rau cov ntaub so ntswg (ua khi rau hemoglobin, uas yog nqa hauv cov hlwb liab)
Dab tsi yog 12 qhov sib txuam ua ke?
Cov hauv qab no yog coagulation yam thiab lawv cov npe:
- Factor I - fibrinogen.
- Factor II - prothrombin.
- Factor III - cov ntaub so ntswg thromboplastin (cov ntaub so ntswg)
- Factor IV - ionized calcium (Ca++)
- Factor V - labile factor lossis proaccelerin.
- Factor VI - unassigned.
- Factor VII - qhov ruaj khov lossis proconvertin.
Pom zoo:
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