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

隐伴有精索、丸引带、鞘、。

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

③小管：管径最小，上皮有纤毛；④管：切面最少，管腔圆整。