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

隐有精索、丸引带、鞘状突、附等异。

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

③附管：管径最，有纤毛；④附管：切面最少，管腔圆整。