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弹性纤维层
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  “弹性纤维层”译为未确定词的双语例句
     the elastic fiber layerlying on the hypodermis has some collagenous and elastic fibers.
     弹性纤维层主要由胶原纤维和弹性纤维组成,胶原纤维束细小,编织比疏松层紧密而排列杂乱.
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  相似匹配句对
     ELASTIC SPANDEX FIBER
     氨纶弹性纤维
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     The elastic fibers only distributed within the follicle layer.
     弹性纤维一般仅分布于乳头
短句来源
     It contains many collagenous fiber and elastic fiber.
     弹性纤维一般仅分布于乳头
短句来源
     The elastic fibers only distributed within the follicle layer.
     弹性纤维仅分布于毛囊
短句来源
     The elasticfibers only distributed around follicles in papillary layer.
     弹性纤维仅分布于乳头毛囊的周围.
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The human venous valve of the brachial,femoral and long saphenous veins were

本文用光镜、透射和扫描电镜,观察了30例与带瓣静脉段移植有关的肱、股、大隐静脉的瓣膜结构。在光镜和透射电镜下,3种瓣膜的结构基本一致。在两层内皮间有3种机能层;内皮下各有疏松层;细波纹状的弹性纤维层主要位于疏松层内面;弹性纤维层之间为呈环、纵、斜方向的胶原纤维层,胶原纤维层中还有散在的弹性纤维。静脉壁内的平滑肌经瓣膜附着缘延伸入瓣叶内。弹性纤维、平滑肌、胶原纤维在瓣膜承受机械重力和被动开闭机制中起重要作用,基于平滑肌存在于瓣叶内的事实,推测瓣膜本身具有内在的动力机制。透射和扫描电镜下见瓣叶两面的内皮细胞配布型式呈各向异性特征:腔面内皮纵向排列;壁面内皮横向排列。这种排列方式符合流体力学规律,以适应瓣膜在不同功能状态下,引导静脉血液返回心脏。12例正常瓣膜,在 Instron 1122型万能材料试验机上测得瓣膜承受最大拉力的平均值为1牛顿(范围0.75~1.35N)。在瓣膜置换或设计人工瓣膜时应考虑到上述各特点。

Using the H & E, collagenous fiber and elastic fiber staining methods,the authors have observed the structure of the goose skin in winter with microscope.The results showed that the skin was separated into three parts, i. e. epidermis, dermisand hypodermis respectively. The epidermis is stratified squamous epithelia. The dermisconsists of two principal layers: the outer layer is dense and composed of bundles of col-lagenous fibers, the bundles are small and organized more compactly as contrasted withthe other...

Using the H & E, collagenous fiber and elastic fiber staining methods,the authors have observed the structure of the goose skin in winter with microscope.The results showed that the skin was separated into three parts, i. e. epidermis, dermisand hypodermis respectively. The epidermis is stratified squamous epithelia. The dermisconsists of two principal layers: the outer layer is dense and composed of bundles of col-lagenous fibers, the bundles are small and organized more compactly as contrasted withthe other layers; the inner layer has three parts: the dense layer nearing the outer der-mis consists of some smooth muscle bundles and connective tissue; the loose layer in themiddle consists of a lot of fat cells and a little connective tissue; the elastic fiber layerlying on the hypodermis has some collagenous and elastic fibers. The hypodermis iscomposed of loose connective tissue with a lot of fat cells. The measuring results: theepidermis and the outer layer of the dermis at the cervix and the inner layer of the der-mis and the elastic fiber layer at the dorsum were the thickest.

采用HE、胶原纤维染色法和弹性纤维染色法,对15只冬季白鹅皮肤的组织结构进行了显微镜观察.结果如下:鹅皮肤分表皮、真皮和皮下组织3部分.表皮为复层扁平上皮.真皮分浅、深两层.浅层致密,由胶原纤维束组成,纤维束细而编织相对比其他几层紧密.深层又分成3层:致密层由平滑肌束和较疏松的结缔组织组成;疏松层由大量脂肪细胞和少量结缔组织组成;弹性纤维层主要由胶原纤维和弹性纤维组成,胶原纤维束细小,编织比疏松层紧密而排列杂乱.皮下组织主要由疏松结缔组织组成,其中分布有大量的脂肪细胞.本实验还对鹅身体各部位皮肤的厚度作了统计分析,结果显示:表皮和真皮浅层以颈部最厚,而真皮深层和弹性纤维层则以背部最厚.对毛囊毛根的观察可知,毛根有两种形态不同的类型.

Twenty four male Wistar rats were divided into 4 equal groups at random,with 3 groups for experiments and 1 for control.Atherosclerotic lesions of the aorta were induced in experimental groups by intraperitoneal injection of vitamin D with a single dose of 600 000 international units per kilogram body weight.The 3 experimental groups were sacrificed at intervals of 3,18 and 34 days respectively and the control group at 34 days,Specimens from thoracic and abdominal aorta were taken for observation. The results...

Twenty four male Wistar rats were divided into 4 equal groups at random,with 3 groups for experiments and 1 for control.Atherosclerotic lesions of the aorta were induced in experimental groups by intraperitoneal injection of vitamin D with a single dose of 600 000 international units per kilogram body weight.The 3 experimental groups were sacrificed at intervals of 3,18 and 34 days respectively and the control group at 34 days,Specimens from thoracic and abdominal aorta were taken for observation. The results showed:Under light microscope there were slight proliferation of smooth muscle cells and edematous degeneration of endothelial cells and subendothelial tissue at the end of the 18th day.The elastic laminae ruptured and smooth muscle cells proliferated. Projected atherosclerotic plaques were seen on the luminal surface of the aortic wall between 18 and 34 days,Under electron microscope,projections of endothelial cells were observed on the luminal surface and there were vesicles of various sizes in the cytoplasm by the end of the 3rd day up to 18 days,projections of the endothelial cells were numerous and microvillous;After 18 days,nuclei of the endothelial cells became twisted and smooth muscle cells migrated from tunica media to intima through the ruptured elastica interna. Some smooth muscle cells had become foam cells,The structure of the control group remained intact.This study offers a simple,economic and quick method for induction of atherosclerosis in experimental animals.

将雄性Wistar大鼠24只随机分成1个对照组和3个实验组。实验组一次性腹腔注射维生素D(VD)60万单位/kg体重,对照组同时注射等容量生理盐水。实验组分别在3,18和34d不同时程以及对照组在34d各取主动脉作石蜡切片(HE染色)和超薄切片,在光镜及透射电镜下观察,结果发现:光镜下,实验组3d组血管壁未见明显变化;18d主动脉壁平滑肌增生,内皮及内皮下层有水肿变性;34d平滑肌增生明显,肌细胞排列紊乱,弹性纤维层结构不清,粥样斑块向管腔内突出。电镜下,实验组3d则可见内皮细胞有短突凸向管腔,胞质内有大小不等的空泡;18d内皮突起多而高,呈微绒毛状,内弹性膜断裂,胶原纤维增多;34d内皮细胞核扭曲,内皮下胶原纤维增生,可见泡沫细胞,内弹性膜断裂处有平滑肌细胞伸入。对照组光镜和电镜结构均与正常无异。本研究提供了一种简易、经济、快捷地诱发动脉粥样硬化模型的方法。

 
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