spermaries

spermaries

1. Trochus pyramis Born is of gonophores.The male reproductive system is mainly composed of the spermaries and spermaductus, instead of mating and others glands.

摘要塔形马蹄螺为雌雄异体，其雄性生殖系统主要由精巢和输精管组成，没有交接器，也没有其他的附属腺体。

2. Spermaries comprise many seminiferous tubules.

精巢由许多精小管组成；