The sperm originate in gonial cells (spermatogonia) in the walls of seminiferous tubules.
生于输管壁的性母细胞（原细胞）。
小管；细管The sperm originate in gonial cells (spermatogonia) in the walls of seminiferous tubules.
生于输管壁的性母细胞（原细胞）。
The diameter of dentinal tubule was not uniform due to peritubular dentine was demineralize.
横剖面见牙本质小管口因脱矿而呈现不规则。
In proximal tubule, the process of water reabsorption is isosmotic because the permeability of tubule to water is high.
髓袢,远曲小管集合管对水的重吸收机制,见尿液浓缩与稀释.
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、细胞量多的人肾近端小管细胞(PTC)培养方法。
Objective: To observe the relationship between the odontoblast process and the dentinal tubules.
观察成牙本质细胞突在牙本质小管中的分布。
Sugar solutions on the surface of exposed dentine cause water to be drawn out of the dentinal tubules causing which distorts the odontoblast causing pain.
[医务英语]《专业术语—口腔生理学术语O2(英文详解)》正文： Osmotic pressure - Water tends to move towards dense concentrations of ions.
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