pinacocyte

例句：

1. 1.The pinacocyte is responsible for filtering out foreign particles from the bloodstream.
   小凹细胞负责从血液中过滤掉外来颗粒。
2. 2. Pinacocytes are specialized cells that line the walls of blood vessels.
   小凹细胞是专门化的细胞，它们位于血管壁的内层。
3. 3.Researchers have discovered that pinacocytes play a crucial role in immune system function.
   研究人员发现，小凹细胞在免疫系统功能中起着至关重要的作用。