ductus

(3) ductuli epididymis with least and pilus on the epidermis and (4) circular ductus epididymidis with least cutaway.

③附睾小：径最小，上皮有纤毛；④附睾：切面最少，腔圆整。

Objective:To evaluate the effects of the anesthesia method used during the operation of Patent ductus arteriosis(PDA)through cardic catheter without thoracotomy.

评价小儿经皮动脉封堵术的麻醉方法及效果。

Results Color Doppler echocardiography showed that the embryocardia ductus arterious flow had a bright shunt from the pulmonary to descending aorta.

24%的胎存在生理性三尖瓣返流,肺动脉阻较高,胎动脉血流单向自肺动脉流向降主动脉,显色明亮。