目的：扩增人表皮角质形成细胞桥粒芯糖蛋白4胞外区域EC 1, EC 2,EC3和EC4的核酸序列。
AIM To amplify the nucleotide sequence of desmoglein 4 extracellular domains EC1 EC2, EC3 and EC4 from human keratinocytes.
桥粒间的细胞质皱缩。
桥粒间的细胞质皱缩。
细胞呈粉红色、多边形，并可见细胞间桥(通过电镜看到的桥粒或紧密连接)。
The cells are pink and polygonal in shape with intercellular Bridges (seen as desmosomes or "tight junctions" by electron microscopy).
相邻成牙本质细胞间的牙本质侧有连接复合体相连，其他区域则为桥粒。
The dentin side between the odontoblasts was connected by junctional complex and the other area was connected by the desmosomes.
结果：口腔黏膜具备上皮层和上皮下纤维组织，上皮细胞3～7层，见桥粒连接，AE1/AE3阳性；
There were 3-7 layers cell in epithelium, which were connected with intercellular bridge immunohistochemical stain. They were AE1/AE3 positive;
其中，有三个特殊的细胞连接结构。（1）为紧密连接，（2）为黏着小带（3）为桥粒。
At three points along the way there are specialized junctions: (1) zonula occludens or tight junctions, (2) zonula adherens or intermediate junction, and (3) desmosome or macula adherens.
其中，有三个特殊的细胞连接结构。（1）为紧密连接，（2）为黏着小带（3）为桥粒。
At three points along the way there are specialized junctions: (1) zonula occludens or tight junctions, (2) zonula adherens or intermediate junction, and (3) desmosome or macula adherens.
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