![Dab tsi yog annulus fibrosus ntawm lub plawv? Dab tsi yog annulus fibrosus ntawm lub plawv?](https://i.answers-medical.com/preview/medical-health/14125685-what-is-the-annulus-fibrosus-of-the-heart-j.webp)
Video: Dab tsi yog annulus fibrosus ntawm lub plawv?
![Video: Dab tsi yog annulus fibrosus ntawm lub plawv? Video: Dab tsi yog annulus fibrosus ntawm lub plawv?](https://i.ytimg.com/vi/XbZYbmkUDYo/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Txoj cai thiab sab laug fibrous rings ntawm plawv (anuli fibrosi cordis) puag ncig lub atrioventricular thiab cov hlab ntsha. Txoj cai fibrous nplhaib yog hu ua anulus fibrosus dexter cordis, thiab sab laug yog hu ua anulus fibrosus siab phem cordis. Txoj cai fibrous trigone yog txuas nrog lub hauv nruab nrab fibrous lub cev.
Tib neeg kuj nug tias, lub cev pob txha nyob qhov twg?
Cov lub cev pob txha Muaj plaub lub nplhaib ntawm cov ntaub so ntswg ntom ntom uas nyob ib puag ncig AV kwj dej (mitral thiab tricuspid) thiab txuas mus rau lub hauv paus ntawm lub aorta thiab lub ntsws ntsws. Lub aortic valve nyob hauv txoj haujlwm tseem ceeb nrog rau lwm lub pob valve txuas rau nws lossis ze (pulmonic).
Ib tus kuj yuav nug, Ossa Cordis yog dab tsi? Lub cev pob txha muaj fibrocartilage nyob rau hauv uas nodules ntawm cov pob txha ( ossa qaum ) tuaj yeem tsim hauv qee hom. Cov leeg nqaij ua ke tso rau hauv cov leeg pob txha. Nws tiv thaiv cov li qub los ntawm kev hla dhau thaum cov ntshav hla los ntawm lawv.
Ib yam li ntawd, nws tau nug, dab tsi yog qhov ua haujlwm ntawm cov pob txha fibrous ntawm lub plawv?
Cov fibrous skeleton ntawm lub plawv yog ib tug connective ntaub so ntswg thav duab uas kev ua haujlwm kom hluav taws xob cais cov atria los ntawm lub ventricles. Atrioventricular conducting system yog qhov txuas hluav taws xob nkaus xwb ntawm atria thiab lub ntsws hauv qhov ib txwm muaj plawv.
Lub atria thiab lub ventricles khaws hluav taws xob li cas?
Cov atria thiab ventricles yog hluav taws xob cais los ntawm ib leeg los ntawm cov ntaub so ntswg uas ua zoo li lub rwb thaiv tsev ntawm ib qho hluav taws xob hlau. Yog li ntawd, depolarization ntawm cov atria cov tsis ncaj qha cuam tshuam rau lub ntsws.
Pom zoo:
Lub plawv plawv twg tsim lub hauv paus ntawm lub plawv?
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Lub hauv paus ntawm lub plawv (sab nraub qaum): Nws tau tsim los ntawm sab laug atrium, uas yog plaub txoj hlab ntshav hlab ntshav. Nws nyob ntawm qhov ntxeev ntawm lub apex
Lub cev tseem ceeb ntawm lub plab zom mov yog dab tsi thiab lawv lub luag haujlwm yog dab tsi?
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Cov khoom siv hauv lub cev zom zaub mov suav nrog cov hniav, tus nplaig, cov qog ua kua qaub, daim siab, lub zais zis, thiab txiav txiav. Txhawm rau ua tiav lub hom phiaj ntawm kev muab lub zog thiab khoom noj khoom haus rau lub cev, rau lub luag haujlwm tseem ceeb nyob hauv cov txheej txheem zom zaub mov: nqos. Kev zais. Sib tov thiab txav mus los. Digestion. Kev nqus. Kev tshem tawm
Dab tsi circuit txuas lub plawv mus rau txhua qhov ntawm lub cev tsuas yog lub ntsws?
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Pulmonary circulation yog ib feem ntawm lub circulatory system uas nqa cov ntshav deoxygenated tawm ntawm txoj cai ventricle, mus rau lub ntsws, thiab xa cov ntshav oxygenated rov qab mus rau sab laug atrium thiab ventricle ntawm lub plawv
Lub annulus fibrosus yog dab tsi?
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Lub annulus fibrosus yog lub log tsheb muaj zog zoo li cov qauv ua los ntawm lamellae; concentric nplooj ntawv ntawm collagen fibers txuas nrog rau daim phiaj kawg vertebral. Cov ntawv txheeb nyob rau ntau lub kaum sab xis. Lub annulus fibrosus npog lub nucleus pulposus
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Raws li ib feem ntawm pab pawg, tus kws kho mob lub plawv tsis ua haujlwm tau zoo muab rau muab kev pabcuam rau cov neeg mob thoob plaws txoj kev mob plawv tsis ua haujlwm thiab qhov no yuav tsum muaj kev koom tes ze nrog kws saib xyuas mob hauv thaj chaw tshwj xeeb tshwj xeeb xws li chav kho mob xwm txheej ceev thiab kev kho mob dav/ saib xyuas-ntawm-tus-neeg laus