pericyte

例句：

1. 1. Pericytes are the cells that line the walls of blood vessels.
   外周细胞是血管壁的细胞。
2. 2.The pericytes play a crucial role in maintaining blood vessel health.
   外周细胞在维护血管健康方面起着至关重要的作用。
3. 3.Researchers have been studying the function and behavior of pericytes for decades.
   研究人员已经研究了外周细胞的功能和行为几十年了。