tertiary follicle

例句：

1. 1. The tertiary follicles are thelast stages of development in a mammalian egg.
   次级卵泡是哺乳动物卵子发育的最后阶段。
2. 2. In fertilization, the sperm penetrates the eggand the tertiary follicle is formed.
   在受精过程中，精子穿透卵子形成次级卵泡。
3. 3. Thetertiary follicles areresponsible for producing hormones that regulate themenstrual cycle.
   次级卵泡负责产生激素，调节月经周期。