查询词典 epidermal

The ratio of cell perimeters to areas of bulliform cells only reached 0.723 of epidermal cells, which was an important quantitative characteristic to achieve function of bulliform cells.

为深入研究小麦叶片泡状细胞的功能与细胞微观形态数量特征的关系，利用显微摄影及图像分析系统对小麦叶片表皮泡状细胞形态的数量特征进行了统计分析。

High-resolution transmission electron microscopy of biosilica in silica cells, bulliform cells and long cells of rice epidermal systems revealed that silica bodies are made up of rods about 2. 0-3. 0 μm in length and 0.2-0.5 μm in width.

借助高分辨电镜研究水稻叶外表皮系统中的SiO〓和细胞壁基质作用时发现在硅细胞、泡状细胞和外表皮长细胞腔中SiO〓是以长 2.0-3.0μm宽0.2-0.5μm的微杆状结构团聚而成。

The upper and lower epidermal in the yellow leaf of Celtis julianae 'Aurea' had almost no chloroplast, but after reverting green the chloroplast appeared and the number of the chloroplast, starch grains increased and plastoglobulus reduced.

金叶珊瑚朴黄色叶的上下表皮细胞中几乎不含叶绿体，但转绿后的叶片中上下表皮叶绿体的数目增多，故叶色变绿。叶色由黄转绿过程中，淀粉粒增多，体积变大，嗜锇小球减少。

Expression of epidermal growth factor receptor in breast can- cerin relation to steroid hormone receptors and prognosis. Epider- mal growth factor receptor is a transmemberane protein encoded by the oncogene c-erbB-1. It presents in all types of tumor cells and certain normal tissues, and it is thought to be related to cell carcinogenesis and uncontrolled cell growth.

表皮生长因子受体（Epidermal growth factor receptor，EGFR）是原癌基因c-erbB-1的表达产物，它是一种细胞膜受体，广泛存在于各种类型的肿瘤细胞和某些正常组织细胞中，与细胞癌变和失控性生长趋势有关。

In resent year, several in vitro models for committed differentiation of ES cells have been described which give rise to a variety of cell types, including hematopoietic, neuronal, chondroitic, osteocytic, endothelial, myogenic, cardiac and smoothes muscle cells, but the committed differentiation into epidermal stem cells have not been reported.

ES细胞为研究基因功能、胚胎发生和个体发育，及组织细胞分化机理提供了理想的模型。近年来的研究表明，适当条件下，ES细胞可定向分化为三个胚层的各种类型的细胞，其中包括向神经元、造血细胞、成骨细胞、心肌细胞、血管内皮、软骨细胞、平滑肌特方向的定向分化。

In resent year, several in vitro models for committed differentiation of ES cells have been described which give rise to a variety of cell types, including hematopoietic, neuronal, chondroitic, osteocytic, endothelial, myogenic, cardiac and smoothes muscle cells, but the committed differentiation into epidermal stem cells have not been reported.

但定向分化为表皮干细胞至今未见报道。

The epidermal structures of the six species of Coniogramme in Hemionitidaceae were investigated under light and scanning electron microscopes.

摘要利用光学显微镜和扫描电子显微镜对裸子蕨科凤丫蕨属6种植物的叶表皮形态进行了观察和研究。

Some methods now widely being used in clinic, always lack of dermis, such as small stamps of autografting, mesh skin grafting, intermingled transplantation of auto-allografting, micro-skin-grafting and cultured epidermal Autog -rafting, cant resolve the problems regarding the cosmesis and function satisfactorily.

为反复供皮的需要，目前临床应用的植皮术，诸如邮票状植皮术、网状皮肤植皮术、异体皮嵌植自体小皮片混合移植术、微粒皮移植术以及自体表皮细胞培养移植术等方法，均不同程度地缺乏真皮成分，因而不能满意解决愈后外观和功能问题。

Their architectural and epidermal characteristics were investigated by laboratory observation and cuticular analysis,and were compared with their living relative species.

longipedicellata两个化石种的表皮微细构造特征，并与现存对应种类进行了表皮构造和叶结构特征的对比分析，补充证实了两化石种均属于自然分类属性。

DATA SYNTHESIS: With the increase of ultraviolet radiation caused by environmental pollution, DNA in human epidermal cells is damaged. Cyclobutane pyrimidine dimmer and 6-4 photoproducts are the main forms of DNA lesions.

资料综合：环境污染使得紫外辐射增强，而紫外线辐射对机体表皮细胞的DNA具有损害作用，可导致环丁烷嘧啶二聚体和6-4光产物的形成。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。