vascular gland

例句：

1. 1.The vascular glands are responsible for the production of hormones that regulate blood flow and tissue growth.
   血管腺负责产生调节血流和组织生长的激素。
2. 2.The vascular glands are located in the walls of blood vessels, where they secrete a substance that helps to maintain the integrity of the blood vessel wall.
   血管腺位于血管壁内，它们分泌一种物质，有助于保持血管壁的完整性。
3. 3. The vascular glands play a crucial role in the immune system by producing antibodies that help fight infections.
   血管腺在免疫系统中起着至关重要的作用，通过产生抗体帮助抵抗感染。