macronucleus

macronucleus

1. The two germinal rows germinal rows(GK＇)for both the daughter cells appeared almost at the same time;(2) The macronucleus became shorter and thicker, finally oblate during the division of the cell.

(2)大核在虫体分裂过程中由长带状逐渐缩短变粗至扁圆形, 于虫体即将分开时迅速拉长，然后分裂为二个新大核;

2. (2) The macronucleus became shorter and thicker, finally oblate during the division of the cell.Then the macronucleus restored its original shape, band-like form.

(2)大核在虫体分裂过程中由长带状逐渐缩短变粗至扁圆形,于虫体即将分开时迅速拉长，然后分裂为二个新大核;

3. The micronucleus were divided into two before the macronucleus division;(3) The original scopula and stalk contributed to the old cell.The new cell formed scopula gradually after the cell division.

(3) 原帚胚及柄归属老仔虫, 新仔虫的帚胚在虫体分裂后逐渐形成, 柄内肌丝则在柄鞘形成后逐渐长出。

4. charon is characterized by 10 fronto ventral,5 transverse,4 caudal marginal cirri and 12 rows of dorsal bristles. The macronucleus and micronucleus are respectively "C" shaped and spherical.

charon表面有额腹、横、尾部棘毛 10、5、4根 ,背触毛 12列 ,相邻两背触毛之间有两排银线网格 ,大核倒C形 ,小核球形 随机抽取 10 0个E .

5. homomerous macronucleus

同部大核(动)

6. The micronucleus were divided into two before the macronucleus division;

小核分裂先于大核，在两仔虫口纤毛器即将分开时完成;

7. heteromerous macronucleus

异部大核(动)

8. Based on these results, we then proposed that the chromatin bodies are the basic units of macronucleus of Euplotes;

据所得结果认为，染色质小体是构成游仆虫大核的基本结构单元；

9. The results show:(1)Before the obvioudty changed to the macronucleus in the front of the germinal row proliferating.

结果表明: (1)在大核形态尚未出现明显变化时，生发毛基索(GK)的前端即出现原基, 随后原基增生扩大。

10. Keywords Tachysoma pellionella;Euplotes encysticus;resting cyst;vegetative cell;macronucleus DNA;mitochondria DNA;isozyme;cyst wall protein;ATP;SOD;

膜状急纤虫;包囊游仆虫;休眠包囊;营养细胞;大核DNA;线粒体DNA;同工酶;包囊壁蛋白;ATP;SOD;