1. 周池
1. 作者首次观察到PGC中有一种特殊颗粒（即电子致密小体），它自核内产生，进入核周池，并借核膜破裂的方式进入胞质。
The author has observed also a kind of specific granular material (electron-dense bodies) in the PGCs.
2. 电镜显示双极细胞核周池扩张、核固缩，内丛状层神经突起肿胀、突触消失，色素上皮细胞空泡化改变、微绒毛消失。
TEM revealed expansion of paranucleus space and karyopyknosis of the bipolar cells, the swelling of nerve fibers and disappearance of the synapses in the inner plexiform layer, the vacuolation and disappearance of microvilli of the pigment epithelium cells.
3. 周池是什么意思
3. 在传代细胞核的核周池和核质中，均见到典型的霉形体及其裂殖增殖相。
The intracellular mycoplasmas multiplied in perinuclear cisternae and nuclein of the nuclei;
4. 无血清培养基孵育MHCC97-H细胞后，MMP-9和F型肌动蛋白主要位于细胞的核周池；
MMP-9 and F-actin were mainly localized in the perinuclear pool when the cells were incubated with serum-free medium.
5. 生后19d，A细胞内细胞器最为发达，常见呈扩张状态的粗面内质网及核周池、扁平囊状的高尔基复合体及长短不一的杆状线粒体；
On the 9th day after birth, the A-cells pos-sessed a large number of well-developed organelles including Golgi complexes, mitochondria and rough endoplasmic reticulums which mostly were dilated.