Video: Vim li cas Semilunar li qub tsis muaj Chordae Tendineae?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Qhov no tiv thaiv inversion ntawm lub plawv li qub . Tsis zoo li atrioventricular li qub , txawm li cas los, lawv ua tsis muaj chordae tendineae uas txuas rau cov leeg nqaij papillary. Hloov chaw, lawv qhib thiab kaw vim ntshav siab nyob rau hauv lub plawv ntawm atria thiab lub ventricles.
Yog li, vim li cas ho tsis tsim nyog rau Semilunar li qub kom muaj chordae tendineae thiab papillary leeg?
Cov no li qub ua tsis muaj chordae tendineae , thiab zoo ib yam li cov li qub nyob rau hauv cov hlab ntsha tshaj lawv mus rau atrioventricular li qub . Kaw ntawm semilunar li qub ua rau lub plawv thib ob suab. Cov aortic valve , uas muaj peb cusps, nyob nruab nrab ntawm sab laug ventricle thiab lub aorta.
Ib sab saum toj, vim li cas thiaj li hu ua Semilunar? Cov semilunar li qub yog flaps ntawm endocardium thiab cov ntaub so ntswg txuas ntxiv los ntawm cov fibers uas tiv thaiv li qub los ntawm tig sab hauv tawm. Lawv yog zoo li ib nrab hli, li no lub npe semilunar (ib nrab -lunar). Aortic Valve : Lub plawv valve yog nyob nruab nrab ntawm sab laug ventricle thiab aorta.
Ib yam li ntawd, nws raug nug, lub hom phiaj ntawm chordae Tendineae yog dab tsi?
Cov chordae tendineae yog ib pawg ntawm tawv, tendinous strands nyob rau hauv lub plawv. Lawv feem ntau raug xa mus rau "cov hlua plawv" vim tias lawv zoo li cov hlua me me. Functionally, cov chordae tendineae ua lub luag haujlwm tseem ceeb hauv kev tuav lub atrioventricular li qub nyob rau hauv qhov chaw thaum lub plawv dhia ntshav.
Yuav ua li cas Semilunar li qub tiv thaiv backflow?
Cov semilunar li qub nyob rau ntawm kev sib txuas ntawm cov hlab ntsha pulmonary thiab sab xis ventricle, thiab lub aorta thiab sab laug ventricle. Cov no li qub tso ntshav rau muab tso rau pem hauv ntej rau hauv cov hlab ntsha, tab sis tiv thaiv rov qab cov ntshav los ntawm cov hlab ntsha mus rau hauv lub ventricles.
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