小管

Objective: To observe the relationship between the odontoblast process and the dentinal tubules.

观察成牙细胞突在牙管中的分布。

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

③附睾管：管径最，上皮有毛；④附睾管：切面最少，管腔圆整。

Objective: To establish a duplicable and efficient culture method of human proximal tubule cells(PTC) in vitro.

创建一种重复性好、细胞多的人肾近端管细胞(PTC)培养方法。

Objective: To evaluate the experession of Collagen type IV in hydronephrotic kidneys and its clinical implications.

研究IV型胶原在肾积水中的表达及意义，并探讨其沈积与管维化程度的相关性。