seminatural

seminatural的英语例句

1. The sperm originate in gonial cells ( spermatogonia ) in the walls of seminiferous tubules.

   精子产生于输精管壁的性母细胞 ( 精原细胞 ).

2. LEYDIG CELLS: Androgen ( testosterone ) producing cells lying outside the seminiferous tubules within the testes.

   位于睾丸中曲细精管的外部,分泌雄性激素.

3. Longitudinal section of a testicle showing the seminiferous tubules and the convoluted epididymis.

   睾丸纵切面,示生精小管和迂回蟠曲的附睾.