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.

评价小儿经皮导动导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,肺动阻力普遍较高,胎动导血单自肺动降主动,显色明亮。