perinuclear cisterna

例句：

1. 1.The perinuclear cisterna is a small space between the nucleus and the cytoplasm.
   核周隙是核和细胞质之间的一个小空间。
2. 2.The study of nuclear structure is essential for understanding the functioning of cells.
   研究核结构对于理解细胞的功能至关重要。
3. 3. The perinuclear cisterna plays a crucial role in the transportation of materials within the cell.
   核周隙在细胞内物质运输中起着关键作用。