cytogenesis

1. Conclusion Tumor cell can be separated from malignant pleural effusion by discontinuous density gradient centrifugation and it is beneficial to the diagnosis of tumor cells cytogenesis.
   结论采用密度梯度离心法和不连续密度梯度离心法可以从恶性胸水中分离出肿瘤细胞，并有助于鉴别恶性胸水中肿瘤细胞的细胞分化和细胞起源。
2. Study of Cytogenesis on Rape Explants in vitro Culture
   油菜外植体离体培养的细胞分化研究
3. The cytogenesis and migratory path of Rana chensinensis PGCs ( primordial germ cells) was studied with paraffin section. Result is:① PGCs originated from the endoderm of the yolk-sac.
   采用石蜡切片的方法对中国林蛙原始生殖细胞（primordialgermcells，PGCs）的发生及迁移路径进行研究，结果表明：①中国林蛙原始生殖细胞发生于卵黄囊内胚层；
4. With the aid of the cytogenesis method, observations of cell genetic toxic effects in occupation population may reflect the risk of stochastic effect from radiation as well as the individual radiosensitivity.
   借助细胞遗传学手段，观察职业人员的生物细胞遗传毒性效应，可以反映辐射所致随机性效应的风险以及个体对辐射的敏感度。
5. For a long time conventional chromosome cytogenesis analysis is recognized the Golden Standard of the chromosome disease.
   目前染色体核型分析技术是人们公认检测染色体病的会标准。

noun

1. the origin and development and variation of cells

   Synonym:    cytogeny