portal veins of hypophysis

例句：

1. 1. The study focused on the role of the hypophyseal portal veins in the regulation of blood sugar levels.
   该研究关注了下丘脑静脉在调节血糖水平中的作用。
2. 2.The researchers discovered that the hypophyseal portal veins play a crucial role in the body's metabolism.
   研究人员发现，下丘脑静脉在身体代谢中起着至关重要的作用。
3. 3. The hypophyseal portal veins are responsible for the transport of nutrients and oxygen to the brain and other organs.
   下丘脑静脉负责将营养物质和氧气输送到大脑和其他器官。