Video: Puas yog mob ua rau vasodilation lossis vasoconstriction?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Thaum cov ntaub so ntswg yog thawj zaug raug mob, cov hlab ntsha me nyob rau hauv qhov chaw puas tsuaj constrict momentarily, ib tug txheej txheem hu ua vasoconstriction . Ua raws li qhov xwm txheej hloov pauv no, uas yog ntseeg tias yog qhov tseem ceeb me ntsis rau mob cov lus teb, cov hlab ntsha dilate ( vasodilation ), nce ntshav ntws mus rau thaj chaw.
Ib yam nkaus, puas ua rau ua rau vasodilation?
Cov mob los yog kab mob uas Ua rau mob Vasodilation yog ib qho tseem ceeb ntawm mob . Nws ua kom cov ntshav ntws mus rau thaj chaw thiab tseem ua rau muaj kev nkag mus, lossis xau, ntawm cov hlab ntsha phab ntsa. Histamine plays lub luag haujlwm loj hauv kev txhawb nqa vasodilation hauv qhov no.
Ib tus kuj yuav nug, ua li cas vasoconstriction pab txo qhov mob? Rau cov neeg uas muaj hypotension, vasoconstrictors pab nce ntshav siab. Rau cov neeg muaj mob ntev mob tej yam kev mob, vasoconstrictors txo qhov mob los ntawm kev txwv cov ntshav ntws mus rau qee cov cell thiab cov nqaij hauv lub cev.
Tom qab ntawd, ib tug kuj yuav nug, dab tsi ua rau vasodilation thaum mob?
Plasma-derived mediators C3a stimulates histamine tso tawm los ntawm mast hlwb, yog li tsim vasodilation . C3b muaj peev xwm khi rau cov kab mob ntawm tes phab ntsa thiab ua raws li ib qho opsonin, uas cim tus invader ua lub hom phiaj rau phagocytosis. Stimulates histamine tso los ntawm mast cells, yog li ua vasodilation.
Puas yog qhov mob cuam tshuam rau kev ncig?
Cov cim qhia ntawm kev mob hnyav mob suav nrog qhov liab, o, kub thiab qee zaum mob thiab tsis ua haujlwm, raws li National Library of Medicine. Hauv qhov mob hnyav mob cov hlab ntsha nthuav dav, ntshav ntws nce thiab cov qe ntshav dawb swarm thaj chaw raug mob los txhawb kev kho mob, hais tias Dr.
Pom zoo:
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