atrioventricular orifice

英

美

房室口；房室孔

They can produce a "ball valve" effect by intermittently occluding the atrioventricular valve orifice.
他们可以产生“球阀”效应，引起房室瓣口间歇性关闭。
Conclusion As the growth of age, the internal diameter of superior vena cava, the diameter of right atrioventricular orifice and the height and breadth of the first septum of the right atrium is increasing.
结论上腔静脉内径、右房室口直径、第一房间隔高度和宽度随胎龄的增长而增加。
Methods: The perimeters and areas of left and right atrioventricular orifice fibrous rings, and areas of the mitral valve and tricuspid valve and the number of chordae tendineae attached to the valves were observed and measured on 42 hearts of adult cadavers fixed with formaldehyde.
方法：采用42例经福尔马林固定的成人心脏标本，观测房室口纤维环的周长和面积，二尖瓣和三尖瓣的面积及瓣膜各部附着的腱索条数。
In order to explore the method and feasibility of radiofrequency ablation of paroxysmal atrioventricular nodal reentrant tachycardia ( AVNRT) When His bundle potential site is extremely near coronary sinus orifice.
探讨His束记录部位非常靠近冠状窦口时的房室结折返性心动过速（AVNRT）的射频消融方法及有效性。