上皮细胞

The animal experiment stage: 40 rabbits underwent corneal epithelium curettement and limbal ablation to induce limbal stem cell deficiency and were randomly divided into four groups, simple amniotic membrane group, non-frozen cells group, glycerol group and dimethyl sulfoxide group(n=10 for each group). Searching for the activity of frozen and non-frozen cells more completely by transplanting subculturing cells and observing the accomplishment of cells function.

动物实验阶段：将40只角膜缘干细胞损伤的模型兔随机分成单纯羊膜组、未冷冻细胞组、DMSO保存细胞组和甘油保存细胞组，每组10只，用传代培养2周后的角膜缘上皮细胞作移植实验，观察细胞体外功能完成情况来进一步比较深低温保存前后角膜缘上皮细胞的活性。

RESULTS: The positive staining cells mostly included ependymal cells of myelocoele, glial cells, motor neurons, and epithelial cells of spinal pia mater. The staining was mainly located on the cell membrane. Most importantly, it displayed certain directivity in the glial cells, mainly at the membrane side contacting with capillary endothelial cells.

结果： 免疫组织化学染色结果显示阳性着色细胞包括有胶质细胞、中央管室管膜上皮细胞、脊髓前角运动神经元、软脊膜上皮细胞，着色部位主要在细胞膜，其中在胶质细胞表现出一定的方向性，主要分布在与毛细血管内皮细胞接触的一侧。

Results Rabbit conjunctival epithelial cells and fibroblasts can be cultured successfully in vitro, the epitelial cells are polygon or spherical, and the fibrobiasts are long spindle. After cryopreserved for one month, eighty percent of the cells were successfully resuscitated.

结果 兔眼结膜上皮细胞和上皮下成纤维细胞可以在体外成功培养，结膜上皮细胞呈圆形或多角形，成纤维细胞呈长梭形；冻存细胞1个月后复苏成功率达80%。

Xenopus laevis Tadpole (1) Xenopus laevis Tadpole was capable of lens regeneration, which originated from the outer cornea.(2)The days of lens regeneration of Xenopus laevis Tadpole was earlier than Bufo Raddei Strauch Tadpole, The rate of regeneration of Xenopus laevis Tadpole was higher than Bufo Raddei Strauch Tadpole.(3)During Xenopus laevis lens regeneration the outer cornea cells proliferated, in the elongating cells the mitochondria became complicated and in the columnar cells the cisternal dilating of endoplasmic reticulum was ubiquity.

非洲爪蟾蝌蚪(1)再生晶状体来源于外角膜；(2)晶状体再生较花背蟾蜍蝌蚪晶状体再生时期早，再生率高；(3)电镜观察发现再生前期外角膜增殖，观察到晶状体上皮细胞和伸长细胞(进一步发育为晶状体纤维细胞)，伸长细胞中线粒体形状各异随着进一步的分化，细胞器逐渐消失；分化过程中晶状体上皮细胞粗面内质网增多，并且内质网扩张普遍存在。

The cilia of retinal pig merit epithelium disappeared completely by TEM, the granola of retinal pigment epithelium decreased, the rough endoplasmic retinal, the mitochondrial crista breaks, the outer nuclear layer arrangemen disorderin, disc broad, the vacuole timer and outer plexi-form layer shaped, the ganglion cells and membranous of eye cell outer side got think, intermembranous space gotorgancelle disappeared mostly, the crista of cytoplasm ganglion cells layer swelled.

透射电说可见：视网膜色素上皮细胞表面纤毛完全消失，视网膜色素上皮细胞内颗粒减少，粗而内质网、线粒体嵴断裂，外颗粒层细胞排列紊乱，视细胞外段盘膜粗大，盘膜间隙增宽，内外丛状层空泡形成，神经节细胞、细胞器大部分消失，神经节细胞层可见细胞质有嵴性肿胀。

There was no difference among the three groups.At the 4th week,corneal epithelial cell covering the laser section in both groups was much neoformative collagen arranging irregularly and cicatricial tissue in the anterior stromal layer.

术后一周，在光学显微镜下，三组角膜上皮细胞均已完全覆盖激光切削面，新生的角膜上皮细胞层数多，基底层上皮细胞大小不一。

Skin keratinocytes and epithelial cells from hair follicle organized into epidermoid cyst-like spheroids when cultured on nubby dermal papilla cells gel and epidermoid layer-like structure was formed when they were cultured on free dermal papilla cells and skin fibroblasts gel.

团块状的毛乳头细胞诱导毛囊上皮细胞和皮肤角质形成细胞形成球形结构；而游离分散的毛乳头细胞和皮肤成纤维细胞诱导毛囊上皮细胞和皮肤角质形成细胞形成表皮样层化结构。

The results show that the secretory ducts are schizogenous cavity which are only distributed in the stem and the leaf.The initial of the secretory duct drives from the ground meristem.

结果表明，分泌道为裂生腔隙，只分布于茎和叶中；分泌道原始细胞起源于基本分生组织；分泌道原始细胞团裂隙的扩大靠鞘细胞的插入和上皮细胞自身的切向伸长；成熟的分泌道呈圆形或椭圆形，由一层上皮细胞和其外的1 ～2 层鞘细胞包被。

We report 2 cases of classic vulval intraepithelial neoplasia with collections of cells throughout the full epithelial thickness and within epithelial downgrowths containing intracytoplasmic mucin.

我们报道了2例女性外阴经典型上皮内瘤变，这2例病变的表面上皮全层和向下生长的上皮细胞巢团内可见富含黏液的上皮细胞。

The hFCECs were cultured by sticking tissues piece method that the cornea were divided into the limbus and central tissue piece and digestive method,respectively.For digestive method,the digestive juice of 5mg/ml DispaseⅡ+0.25%trypsin was chosed.D/F12 with 10%fetal bovine serum and 100 U/ml penicillin and streptomycin were used in this study,the culture condition was 37℃and 5%CO2,and culture medium changed every three days2、Passage of hFCECsAfter more than 80%confluenced,cells from corneal limbus hFCECs were digested for 5-15min with different concentrations of trypsin/EDTA at 37℃,and then passaged at a ratio of 1:2.The cells were subcultured on empty plates,mouse 3T3 fibroblast feeder layer,fetal corneal stromal cell feeder l ayer or HTK feeder layer respectively.And D/F12, mouse 3T3 fibroblast conditioned medium,fetal corneal stromal cells conditioned medium or HTK conditioned medium with 10%FBS and 100 U/ml penicillin and streptomycin were used respectively as the culture medium.And the culture medium were changed every three days as well.

方法一、人胎儿角膜上皮原代和传代培养1、原代培养严格无菌操作获取人胎儿角膜片，采用组织块贴壁法、酶消化法原代培养人胎儿角膜上皮细胞。2、传代培养角膜缘部的细胞生长融合达80%以上，不同稀释浓度的胰酶/EDTA消化液消化传代分别接种于空板、小鼠3T3成纤维细胞饲养层、胎儿角膜基质细胞饲养层及HTK饲养层，培养液分别采用D/F12、小鼠3T3成纤维细胞条件培养液、胎儿角膜基质细胞条件培养液、HTK条件培养液。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐