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

隐睾常伴有精索、睾丸引带、鞘状突、附睾等异常。

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

③附睾小管：管径最小，上皮有纤毛；④附睾管：切面最少，管腔圆整。