至第八对叶原基产生后，茎端分生组织才稍微隆起，细胞数目增多。
At the appearance of the eighth leaf primordia, SAM formed a bulge and had more cells.
进一步提高外源激素浓度，珠心细胞又可以分化出新的胚珠原基，进一步长大以后发育成许多新的胚珠。
Upon further increase of the exogenous hormone concentration, new ovule primordia could be formed from the proliferated nucellus cells, which further developed into many new ovules.
心脏的原基分布图和心脏细胞谱系是心脏起源和形态发生研究的主要方面。
The cardiac fate maps and cell lineages are the main aspects in the research on the cardiac origin and morphogenesis.
所构建的重组人胰岛素原基因能指导靶细胞随葡萄糖浓度的变化调节胰岛素分泌。
The cells combined human proinsulin gene has the ability of producing insulin with increase in glucose concentration in vitro.
细胞学观察表明，培养后叶肉细胞明显增大，细胞分裂形成分生组织，由之形成芽原基。
Cytological observations showed that mesophyll cells were greatly enlarged, undergoing repeated cell divisions, then forming meristematic mass, from which buds were initiated.
毛萼田菁的茎瘤形成于茎上蛰伏的不定根发生点。 当合适的根瘤菌从不定根发生点裂口入侵后，刺激不定根原基周围的皮层细胞分裂形成含菌组织而发育成茎瘤。
Rhizobium sesbania infected through the apical rupture of the growing site of adventitious root, multiplied in the fissure around the root primordium and stimulated the division of cortex cells.
PDGF有利于三维培养内皮细胞在有展性的胶原基质面形成血管样结构。
Three dimension cell culture found PDGF could induce endothelial cell angiogenesis in vitro.
目的比较正常和病理增生性瘢痕皮肤成纤维细胞对细胞因子、细胞外间质和胶原基因启动子的不同反应性。
Objective to compare the different response of dermal fibroblasts from normal and scar-ring skin to cytokines, extracellular matrix and collagen promoter.
蜜腺起源于心皮原基基部外侧的几层细胞。
The nectary originates from the several outer layer cells of base of carpel primordia.
天然胶原类组织，经过脱细胞处理后，降低免疫原性，可作为组织工程的支架材料，本文就脱细胞的方法以及无细胞胶原基质的研究进展作一综述。
As scaffold, nature collagen must be decellularized to decrease its immunity. The methods of decellularization and the progress of study on acellular collagen matrix are reviewed in this article.
目的研究甘氨酸对新型胶原基人工骨材料的细胞毒性的影响。
Objective to study the cytotoxicity of crosslinked collagen-based scaffolds treated by glycin.
EBV潜伏膜蛋白基因LMP1和核抗原基因EBNA2是公认的导致细胞恶性转化的病毒癌基因。
The EBV latent membrane protein (LMP1) gene and nucleoantigen gene EBNA2 are virus-oncogene, which can induce malignant transformation of cells.
并对四倍体刺槐无性系试管苗不定根的发育过程进行了解剖观察，结果表明试管苗嫩梢无潜伏根原基，不定根由诱生根原基发育形成，诱生根原基源于髓射线细胞的分裂和分化。
Latent root primordium was not found in shoots in test tubes. The induced root primordium which originated from the division and differentiation of pith ray cell developed into the adventitious roots.
结论SCF可以促进衰老真皮成纤维细胞胶原基因的表达。
Conclusion SCF can increase collagen gene expression in aging fibroblasts of dermis.
方法：以Hep- 2细胞和猴肝切片为抗原基质，用IIF法检测10 5例SL E患者的抗核抗体，分析抗核抗体的荧光模式。
Methods Take HEP-2 cell and primate liver as antigen substrate, examine the ANA of 105 SLE patient's serum with IIF to analyse the immunofluorescent pattern.
她强调，人类白细胞抗原基因就与免疫功能相关。
结果：人成骨肉瘤MG- 63细胞株接种培养第7天后I型胶原基因表达较高。
Results: in human osteosarcoma cell line MG-63 culture Type I collagen mRNA expression reach a maximum level on days 7.
结果：人成骨肉瘤MG- 63细胞株接种培养第7天后I型胶原基因表达较高。
Results: in human osteosarcoma cell line MG-63 culture Type I collagen mRNA expression reach a maximum level on days 7.
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