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,肺脉阻力普遍较高,胎脉血流单向自肺脉流向降主脉,显色明亮。