Lub cushions endocardial yog ob thicker thaj chaw uas txhim kho rau hauv phab ntsa (septum) uas faib plaub chav hauv plawv. Lawv kuj tsim cov mitral thiab tricuspid li qub. Cov no yog cov li qub uas cais cov atria (sab saum toj sau cov chav) los ntawm lub ventricles (hauv qab lub twj tso kua mis chambers).
lub cushion endocardial nyob qhov twg?
Cov cushions endocardial yog ib pawg ntawm cov hlwb pom nyob rau hauv lub plawv txoj hlab ntshauas yuav ua rau lub plawv lub qub qub li qub thiab septa, tseem ceeb rau kev tsim kom zoo ntawm plaub- lub plawv chambered.
Ntau npaum li cas endocardial cushion defect?
Teb Chaws Asmeskas cov ntaub ntawv. Qhov ntau zaus ntawm endocardial cushion defect (atrioventricular [AV] kwj dej los yog septal defects) yog kwv yees 3% ntawm cov menyuam uas muaj kab mob hauv lub plawv. Rau caum mus rau xya caum feem pua ntawm cov tsis xws luag no yog ua tiav daim ntawv. Ntau tshaj li ib nrab ntawm cov neeg cuam tshuam nrog daim ntawv ua tiav muaj Down syndrome.
Puas yog endocardial cushions neural crest?
Lub mesenchyme ntawm cov cushions endocardial ntawm cov dej ntws tawm yog muab los ntawm tsawg kawg peb qhov chaw. … Ib qhov chaw thib ob ntawm mesenchyme yog los ntawm pharyngeal arches thiab yog non-neural crest–muab los ntawm mesenchymal cell pejxeem tej zaum yog los ntawm splanchnic mesoderm.
Dab tsi yog qhov teeb meem endocardial cushion hu ua?
Endocardial Cushion Defect (tseem hu uaatrioventricular (AV) kwj dej lossis septal defects)