输精管道
- 网络seminal passage
输精管道-
抑制素B水平反映了整个睾丸组织的功能，是输精管道的直接产物，成年男性血清中维持可检测的抑制素B水平需要生精细胞的存在，因此抑制素B被认为是男性精子发生的血清标志物。
The inhibin B is a direct product of the seminiferous tubules , reflecting the total testicular tissue . The measurable inhibin B production in adult requires the presence of germ cells . Inhibin B is regarded as a serum marker of spermatogenesis .
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目的探讨近段输精管道获得性梗阻性无精子症的经阴囊超声表现。
Objective To investigate the scrotal ultrasonographic features of acquired obstructive azoospermia of proximal deferent duct .