Formation and Looping of Primitive heart tube b33 小 鲁 地心情 省琳转 压长 I.MM E $m-r 心晓的早期发育
Formation and Looping of Primitive Heart Tube
Formation of endocardial cushion AV canal posterior right av orifice ∴∴‘1 anterior left av orifice
Formation of Endocardial Cushion AV canal posterior right AV orifice anterior left AV orifice
Formation of endocardial cushion as LA RA EC RV IVS
Formation of Endocardial Cushion
Septation of Atria and Ventricles Interventricular ostium primum ostium secundum foramen foramen ovale 3 10 8 8 胚胎第3周 胚胎第4周 胚胎第5-6周 胚胎第7-8周 I= LA 2=LV 3=RA 4=RV septum primum 6=septum secundum 7= endocardial cushion,9=ventricular septa
Septation of Atria and Ventricles ostium primum 1＝LA 胚胎第3周 胚胎第4周 胚胎第5-6周 胚胎第7-8周 2＝LV 3＝RA 4＝RV 5＝septum primum 6＝septum secundum 7＝ endocardial cushion ostium secundum foramen ovale 8,9＝ventricular septa Interventricular foramen
Septation of Atria
Septation of Atria