Using urethan as positive test agent, the micronucleus rate of binuclear cell attained to 97.3 ‰, while the acetone negative control was only 9 ‰.
使用氨基甲酸乙酯作为阳性试验物,双核细胞微核率达97.3‰,丙酮阴性对照物仅为9‰。
The phenomenon could be found in retained fetal membranes including foetal placenta vascular changes, villi hemorrhage, focal necrosis and the decrease of binuclear cell.
患有胎衣不下的奶牛会导致胎儿胎盘血管变化和绒毛出血、局灶性坏死和双核细胞数减少不明显等现象。
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