Leaf anatomy results revealed the central vein lacks both clear cells and the adaxial small vascular bundle in dl2 mutant, which seemed to cause the drooping leaf phenotype. 对叶片的解剖学分析发现突变体中脉缺少细胞和近轴小维管束,导致披叶表型的产生。
Tonoplast The membrane that surrounds the large central vacuole of plant cells. 液泡膜:植物细胞中包围中央大液泡的膜。
The large central vacuoles often found in plant cells enable them to attain a large size without accumulating the Bulk that would make metabolism difficult. 在植物细胞常可见到大型的位于中央的空泡,这些空泡可使细胞体积增大而无需细胞内容物的积存,因此这些积存现象不会引起代谢困难。
Using transformants carrying the QHB promoter-GUS and in situ hybridization, we found that QHB was specifically expressed in the central cells of a quiescent center ( QC) of the root. 利用转化有QHB启动子驱动GUS报告基因的转基因植株和原位杂交,我们发现QHB在根静止中心的中央细胞内特异表达。
A mature embryo sac is composed of egg apparatuses ( two synergids and one egg cell), central cells and three antipodal cells. 成熟胚囊包含卵器(由两个助细胞、一个卵细胞组成),中央细胞及三个反足细胞。
The central necrosis and cortical cells denaturation were found 1 w after operation. 移植后1w,腺体中央出现坏死,周围细胞变性,被膜下有分化程度低的细胞和皮质细胞。
After 30 min stimulation of PDB, the shape of the HeLa cells expressing PKC θ-EGFP was dramatically changed. From spindle to small round, and the green fluorescence intensity increased and concentrated in the central of the cells. PDB刺激30min后,表达PKCθ-EGFP的HeLa细胞的形态发生显著变化,即由原来的梭形变成圆形,荧光强度增强。
Results: In releasing ultrasonic power only without lens extraction group, there was no significant difference in density of central corneal endothelial cells between pre-operation and post-operation. 结果不摘除晶体而单纯释放超声能量组的角膜内皮细胞密度手术前后没有统计学差异,摘除晶体组的角膜内皮细胞密度均下降,且随所使用能量的越大角膜内皮细胞密度下降越大。
CONCLUSION: The central process of cells at one-side dorsal root ganglion can reach to the posterior horn of both sides, but it cannot be concluded whether exists the direct connections, and deep researches with electron microscope and neurotransmitter are needed. 结论:一侧背根节细胞的中枢突可达到两侧后角,不能直接定论是否存在或不存在直接联系,还需要进行深入的电镜和神经递质研究。
Comparative Study of Proliferation of Limbal, Peripheral and Central Corneal Epithelial Cells in Culture 不同部位角膜上皮细胞体外增殖性的对比研究
Abstract In order to select stem cells of corneal epithelium which are highly proliferative, and long-live cells, as a source of cell culture, proliferative rates among the cultured limbal, peripheral and central corneal epithelial cells were compared. 为观察角膜缘、角膜周边及角膜中央部上皮细胞体外增殖的规律,确定角膜干细胞以选取体外培养角膜上皮细胞的部位。
During the foam stage of archegonium, the wall between the jacket cells and the central cells became fairly thick and the plasmodesmata present at the thinner area. 在颈卵器发育的泡沫化阶段,套细胞和中央细胞的接触壁不均匀加厚较为显著,在较薄的区域可见胞间连丝。
The effect of epidermal growth factor on proliferation of limbal, peripheral and central corneal epithelial cells cultured in vitro 表皮生长因子对不同区域角膜上皮细胞体外传代培养的影响
In vitro effects of glia maturation factor on the development and differentiation of central macroglial cells 胶质细胞成熟因子对培养的中枢大胶质细胞发育和分化的影响
The central cavity contains cells and naked nucleus besides liquid matrix. 腔内除液体基质外,还可见细胞及许多裸核(不见细胞膜和细胞质)等。
But the positive reaction of keratin was found in inner cells of tubular and central cells of trabecular patten. 而小管的内层细胞和小梁中央细胞呈角蛋白阳性。
At 18 days after flowering, it was observed that the big central vacuoles in the cotyledon cells began to subdivide or pinch-off into smaller ones, in which the storage proteins gradually accumulated, and the protein bodies thus formed. 大豆开花后18天,子叶细胞中的大液泡开始以分隔或缢束方式分成较小的液泡,在其中逐渐积累蛋白质,转化为蛋白体。
The lipid globules increased sharply in the egg and central cells at the time of fusion of sperm and egg nuclei. 精卵核融合时,卵细胞和中央细胞中的脂类分别存在一个积累高峰。
Results: Comparing lateral and central cells 'area, perimeter and the same circle diameter, there were no significant differences between two sides of alar cartilages of medial crus 1/ 2 and middle crus. 结果:内侧角1/2处与穹隆脚处膜边和中央细胞面积、周长、等效圆直径等测量值,健患侧间无显著性差异。
When the root structure is damaged, the epidermis breaks, the cortex and central cells disintegrate and die gradually. 根结构受到破坏后,表皮层断裂,皮层、中柱细胞逐渐解体死亡。
Central Memory T Cells and Effector Memory T Cells 中枢记忆性T细胞和效应记忆性T细胞
· RESULTS: Limbal basal cells stained positively for PCNA while central corneal epithelium cells stained negatively for PCNA, their difference was statistically significant ( P < 0.01). 结果:角膜缘上皮区PCNA呈阳性表达,主要位于基底细胞层,中央区角膜上皮内未见阳性表达,差异有显著意义(P<0.01);
The purpose of the present study is to ascertain the proliferation ability on central and peripheral immune cells induced by low doses of ( 147) Pm. 探讨了低剂量~(147)Pm内照射时,引起中枢和外周免疫细胞的刺激增殖效应。
14 days later, the attached cells were identical with bone marrow mesenchymal cells in morphology, and covered with the whole monolayer, with the central cells arranged tightly. 14d后贴壁生长细胞基本长满单层,中心细胞排列紧密,形态与骨髓间充质干细胞相似。
Methods DNA contents and ploidy of basal and spinous cells in keratocyst, radicular cyst, dentigerous cyst, and the peripheral column cells and central reticular cells in ameloblastoma were analysis respectively. 方法对角化囊肿、根尖囊肿、含牙囊肿上皮基底细胞和棘细胞及成釉细胞瘤外周柱状细胞和中央星网状细胞进行细胞核DNA含量测定,结合倍体和直方图分析。
Results: Immunohistochemistry showed that no leptin expressed in the livers of normal rats, but positively expressed in a few endothelial cells of the central veins and few sinusoidal cells 1 week after administration of DMN, and then the expression increased gradually. 结果:正常肝脏无瘦素蛋白表达,给药后第1周仅见少数中央静脉的内皮细胞以及极少量的窦周细胞表达阳性。
It is also believed that the higher STI compressive stress leads to the decrease of electron mobility of edge cells active area. The boron segregation and compressive stress induced by STI are thought to be responsible for threshold voltage distribution discrepancy between the edge and central cells. 同时发现更高的STI压应力降低了边角单元有源区电子迁移率,它和硼析出效应共同导致了边角与中心单元初始阈值电压分布不一致。
Isolation of the central cells and synergids: Unfertilized and fertilized central cells and synergid cells of the different stages were also isolated by improving isolation techniques. 蓝猪耳中央细胞和助细胞分离:在对以上分离技术不断完善和改进的基础上,我们分离出了受精前后的中央细胞以及不同时期的助细胞。
MPT may act as a "central executioner" of cells subjected to a range of insults ( such as oxidative stress, growth factor removal, or exposures to cytokines). MPT在细胞应激状态(如氧化应激、生长因子去除或暴露于细胞质分裂酶)时起到中央执行者的作用。