cytoproct

例句：

1. 1. The cell tube is essential for the movement of nutrients through the plant.
   细胞管对于植物中营养物质的运输至关重要。
2. 2. During mitosis, the cell tubes are used to guide the chromosomes during the division process.
   在有丝分裂过程中，细胞管用于指导染色体在分裂过程中的运动。
3. 3.The cytoplasmic tubes connect the nucleus with the rest of the cell, allowing for the exchange of materials between different compartments.
   细胞质管将核与细胞的其他部分连接起来，允许不同区域之间物质的交换。