1.(3) ductuli epididymis with least and pilus on the epidermis and (4) circular ductus epididymidis with least cutaway.
③附睾小:小,上皮有纤毛;④附睾:切面少,腔圆整。
2.Abstract: Aim:To establish the methods of microfertilization and explore the fertilizing potential of mouse sperm obtained from caput epididymidis and cauda epididymidis.