medullary rays of kidney

例句：

1. 1.The medullary rays of the kidney are responsible for filtering blood and removing waste products.
   肾脏的髓射线负责过滤血液和去除废物。
2. 2.In the human body, the medullary rays of the kidneys are responsible for maintaining the balance of electrolytes in the blood.
   在人体中，肾脏的髓射线负责维持血液中电解质的平衡。
3. 3. The medullary rays of the kidneys play a crucial role in regulating blood pressure.
   肾脏的髓射线在调节血压方面起着至关重要的作用。