Undescended testis is frequently accompanied with the anomalies of the spermatic cord,gubernaculum testis,processus vaginalis,and epididymis.

隐常伴有精、引带、鞘状突、附等异常。

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

③附小：最小，上皮有纤毛；④附：切面最少，腔圆整。