They found the most division at28 days, when about one-quarter of the ependymal cells were dividing. 发现细胞来源对于开展干细胞治疗很重要。
Choline acetyltransferase expressed by ependymal cells of the 3rd ventricle in developing brain 在胚胎发育中第三脑室室管膜细胞表达乙酰胆碱转移酶
This defect resulted from damage of ependymal cells, which form the epithelial lining of the brain ventricles, and of neuroblasts, which evolve into neurons. 该缺陷是室管膜细胞受损所致,室管膜细胞构成了脑室上皮内层,而神经母细胞,可演化成神经元。
Ependymal cells line the fluid-filled ventricles, so a drug to activate the cells could theoretically travel through this fluid directly to the stem cells. 室管膜细胞排列在充满脑脊液的脑室周围,所以理论上认为药物可以通过这些流动的脑脊液直接到达干细胞部位来活化这些细胞。
In addition, some cells in the ependymal layer, oligodendrocyte like cells and the network made from different cellular extensions or processes were located closely around the neuroblast like cells in the same area. 另外发现,室管膜(EL)细胞、EL深部细胞、少突胶质样细胞以及不同细胞突起所组成的网络样结构与上述SVZ成神经样细胞紧密相邻。
These fine structures together with the ependymal cells form the structural base of the brain-CSF neurohumoral circuit. 这些结构与室管膜细胞一起构成了脑-脑脊液神经体液回路的结构基础。
The ependymal cells in the subfornical organ and terminal plate had few cilia, while in the median eminence many cilia, microvilli and single dispersed ciliated epithelium could be found. 穹窿下器及终板处室管膜细胞纤毛少见,而正中隆起处可见大量纤毛及微绒毛,并可见单个散在的纤毛上皮细胞。
Objective To investigate the migration and differentiation of ependymal/ subventricular zone cells after focal cerebral ischemia in rats, and reveal the origin of the newly generated neural cells in the peri-infarct region. 目的研究局灶性脑缺血后室管膜/室下区细胞的迁移分化,揭示梗塞区周围新生细胞的来源。
Results The free face of ependymal cells in lateral ventricle was unregular polygon. Cilia, microvilli and scanty secretory vesicles were found. 结果侧脑室壁室管膜上皮细胞游离端呈不规则多边形,可见纤毛及微绒毛,偶见分泌泡。
Methods Rat spinal cord injury models were established by aneurysm clip compression, nestin expression and cell proliferation of ependymal cells were showed with pathological and immunohistochemical staining. 方法应用动脉瘤夹压迫建立大鼠脊髓压迫损伤模型,通过组织病理学及免疫组织化学方法检测不同时段室管膜细胞的反应性增生和神经外胚层多潜能细胞特异性抗原巢蛋白(nestin)的表达。
? Results ( 1) In the EL, the majority were the big global nuclei of the mature ependymal cells. 结果①在EL,主要是体积较大且呈球形的成熟室管膜细胞核;
Two different kinds of glutamate positive structures were observed in the ependymal layer of the third ventricle for the first time: ( 1) glutamate positive ependymal cells with oval bidies always gathered into groups; 首次在大鼠下丘脑第三脑室室管膜内观察到两种不同类型的Glu免疫反应结构:(1)Glu免疫反应性室管膜细胞,胞体呈椭圆形,常聚集成群;
The more eosinophilic intracytoplasmic and intranuclear inclusion bodies were found in ependymal cells of lateral and the third ventricle and astrocytes that were often near the ventricles. 在脑室的室管膜细胞内发现有较多的嗜酸性胞浆或核内包涵体。
The neurosecretory substance-containing nerve terminals may travel between ependymal cells or end around the basal membrane of the capillaries of the median eminence, even keep close to the endothelial fenestrae of "open-type capillary". 含神经分泌物质的神经末梢可穿行于室管膜细胞之间,也可止于正中隆起毛细血管基膜周围,甚至直接紧贴在开放型毛细血管的内皮窗孔上。
The spinal cord injury stimulates the proliferation of ependymal cells in sim, the ependymal cells participates in the rehabilitation of spinal cord injury and represent neural plasticity. 脊髓损伤可激活自体室管膜细胞的原位增殖及迁移,后者具有一定的可塑性,参与伤后脊髓的结构修复。
Immunohistochemical identification of the vasopressin-& oxytocin-containing neurons situated between the ependymal cells of the rat's hypothalamus 大鼠丘脑下部室管膜上皮细胞间加压素和催产素神经元的免疫组织化学观察
Observation on the ultrastructure of ependyma in the central canal of 12 rat spinal cords by means of transmission and scanning electron microscope showed that the ependyma is composed of ependymal cells, tanycytes and neurons. 本文通过对12只大白鼠脊髓中央管室管膜的透射电镜和扫描电镜观察表明:室管膜主要由室管膜细胞、伸张细胞和神经细胞组成。
The early fetal ependymal neuroepithelial cells and cells in the intermediate lamina that migrated from the ependyma were all undifferentiated cells. 胚胎早期室管膜神经上皮细胞及由此迁徙而来的中间层细胞均由未分化细胞构成。
Conclusion: With the glioma the growth and necrosis after GK treatment, the morphology of the ependymal cells in SFO is changed. It suggests that the SFO may be related with mechanism of the neuro-immune regulation. 结论:在胶质瘤生长和伽玛刀照射后肿瘤坏死过程中,SFO室管膜细胞的形态出现明显变化,可能与SFO参与神经免疫调节机制有关。
The ependymal cells of central canal of spinal cord showed weak positive reaction. 脊髓中央管室管膜上皮呈弱阳性反应。
Ultrastructural characteristics of ependymal cells on the central canal of the spinal cord and their secretion and absorptive function in rats 大鼠脊髓中央管室管膜上皮细胞及其分泌吸收的超微形态特征
The ependymal cells are columnar or cubic in shape. Their apical surfaces are provided with microvilli and cilia which may contact with Reissner's fiber. 室管膜细胞为柱状或立方状,表面有纤毛和微绒毛,纤毛可与Reissner氏纤维接触。
Conclusion The results suggest that DEN virus, replicating in the neurons, disseminates to gray matter of the spinal cord via the cerebral spinal fluid and ependymal cells. 结论经脑内接种的登革病毒可能通过脑脊液播散,侵入脊髓灰质,并在神经元内增殖;
The single-stained fluorescence images collected with a common fluorescence microscope showed a better shape integrity of the spinal ependymal cells and longer uninterrupted processes, although the capacity and defining powers of the images are not as predominant as those of the same images processed with the confocal microscopy. 普通荧光显微镜采集的单标记荧光图像在分辨率及清晰度上逊于激光扫描共聚焦显微镜采集的单标记图像,但显示的脊髓室管膜细胞形态更为完整,细胞突起较长且更连续。
The ultrastructural characteristics of ependymal cells on the central canal of the spinal cord in rats and their relationship with cerebrospinal fluid circulation as well as their secretory and absorptive functions were studied by transmission electron microscopy. 应用透射电子显微镜研究大鼠脊髓中央管室管膜上皮细胞及其在分泌和吸收过程中的超微结构特点,并分析其与脑脊液循环的相互关系。
The positive cells were the astrocytes, ependymal cells in white matter of spinal cord and the neurons mainly locating in cingulate cortex, striatum, hippocampus, hypothalamus and cerebellum. 阳性细胞主要是大脑扣带皮质、纹状皮质、海马、下丘脑、小脑的神经元和脊髓白质的星形胶质细胞、室管膜细胞。
The ependymal cells in third ventricle had obvious regionality. Short, scanty microvilli and a few secretory vesicles were found in its bottom, but no cilium was found. 第Ⅲ脑室室管膜上皮细胞具明显区域性,脑室底部上皮细胞微绒毛短小、散在,有少量分泌粒,无纤毛;
With anti-CDV antigen assay, the ependymal cells with inclusion bodies were intensive positive reaction. 用抗犬瘟热核蛋白抗体染色,带有包涵体的室管膜细胞呈强阳性反应。