vitelline circulation

例句：

1. 1.The process of egg development is closely related to the vitelline circulation.
   鸡蛋发育的过程与卵黄循环密切相关。
2. 2. Vitellin plays a crucial role in the growth and development of embryonic cells.
   卵黄素在胚胎细胞的生长和发育中起着至关重要的作用。
3. 3.Researchers have discovered that the vitelline circulation can affect the health of pregnant women.
   研究人员发现，卵黄循环可能影响孕妇的健康。