plasmalemmasome

例句：

1. 1.The plasma membrane is the outermost layer of cells that surrounds and protects them from external factors.
   细胞的外层，即质膜，包围并保护细胞免受外界因素的影响。
2. 2. The plasmalemmasome are small structures found in the plasma membrane, which play a crucial role in cell communication.
   存在于质膜中的小结构，对细胞间通信起着至关重要的作用。
3. 3. The researchers found that the plasmalemmasome were involved in the regulation of gene expression.
   研究人员发现，这些膜囊体参与了基因表达的调节。