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AIM: To detect the expressions of insulinlike growth factorⅠ in villus and IGFII in decidua and the levels in mother serum, and to explore their relationship with the embryogenesis of early pregnancy.

目的：探讨胰岛素样生长因子I和II在正常胚胎发育及早期胚胎发育终止绒毛及蜕膜组织中的表达及其在母体血中水平的改变与胚胎发育的关系。

The stereocilia of OHCs are extremely short. We can observe thephenomena of rupture and inosculation of stereocilia, which is alike senile deafness ofICR mouse. The OHCs bodies of bats have two leading characteristics. Firstly, theOHCs bodies are obviously short. The Deiters cell phalanges are of exaggerated, andthe cup formation of Deiters cell body enwrap the bottom of the OHCs.

蝙蝠耳蜗外毛细胞体，主要特征有两点：其一是细胞体明显短，三排Deiters细胞的指突明显与顶表面相连，而且毛细胞体基本被Deiters细胞的杯状膜包裹；其二是外毛细胞体在基底部呈烧瓶状，并不是一般哺乳类动物的试管样形态。

Radio-ligand binding assay was applied to determine the maximum binding and affinity changes of nicotinic acetylcholine receptor on five weeks old male Sprague-Dawley rat's lateral pterygoid muscle and superficial masseter muscle after the function mandibular advancement.

本研究在以往研究的基础上，首次对功能矫形的神经肌肉调控机理进行探索。应用放射受体分析法，从膜受体蛋白分子水平定量研究功能矫形前伸青春期SD大鼠（5周龄）下颌后，下颌前伸肌细胞膜烟碱样乙酰胆碱受体最大结合容量和亲和性的变化。

Results there were unconsciousness, respiratory rhythm disturbance and hyporeflexia of pupil light reflex immediately after injury, and reactiveness decrease and activity retardation still existed even after resuming consciousness. at anatomical scene, subarachnoid hemorrhage or cerebroventricular haemorrhage were widespread. at an early stage, there were swelling, collapse, and axonal retraction ball formation at cortico-medulla junction, callosum, brainstem, and cerebellar white matter under microscope. but at the later stage, gitter cell proliferation and nest-like aggregation were major pathophysiological changes at focal brain tissue.

结果 伤后大鼠均即刻出现原发昏迷，其中2只于损伤后20 min内死亡，余持续时间1-30 min不等；伤后大鼠呼吸节律紊乱，瞳孔对光反射减弱或消失，醒后均有程度不等的反应性下降，肢体活动迟缓；肉眼可见广泛蛛网膜下腔出血或脑室出血；光镜下可见皮髓交界区、胼胝体区、脑干、小脑白质等部位的神经轴索有不同程度的肿胀、断裂、轴索球形成，后期有小胶质细胞增生，局部呈巢样聚集。

In order to study the effect of vascular damage in vivo during PDT, the chicken chorioallantoic membrane tumor model by using stable high GFP-expressing human adenoid cystic carcinoma cell strain is built for the experiment.

为了在活体肿瘤模型上实时监测PDT导致的血管损伤效应，使用稳定高表达绿色荧光蛋白的人涎腺腺样囊性癌细胞株，建立了基于鸡胚尿囊膜的肿瘤模型。

People often occur in elderly vascular sclerosis, high blood pressure sustained more easily lead to cerebral arteriosclerosis, vessel wall hyalinization appears fat, thus weakening the strength of the vessel wall, together with the blood of the structure of the wall is relatively weak, the middle vascular myocytes less, the lack of external elastic layer developed arterial adventitia easily occurred in the brain artery wall limitations small expansion, the formation of micro-miliary aneurysm.

人到老年血管常会发生硬化，持续的高血压更容易导致脑动脉硬化，血管壁出现脂肪玻璃样变，从而削弱血管壁的强度，加上脑血管壁的结构比较薄弱，血管中层肌细胞少，缺乏外弹力层，动脉外膜不发达，容易造成脑内小动脉壁发生局限性扩张，形成粟粒性微动脉瘤。

On low-magnification light microscopy, the specimen had a patternless tissue culture-like appearance with increased mitotic actiity, randomly oriented spindle cells, and extraasated red blood cells (Figure 2B ).

低倍光学显微镜下，标本显示无图案的&组织培养样&表现，伴有有丝分裂活性增高、未定性的梭形细胞和红细胞外渗（图2b），组织病理学所见符合结节性筋膜炎。

Results: The cultured chondrocytes were polygonal cells. There were many rough endoplasmic reticula and mitochondria in cytoplasm, and a lot of secretory vesicles under cell membrane and in the cytoplasm. When cultured for 10 days, some small and white nodules were formed on the bottom of the culture dished, and volcanic-mouth-like structures were formed when cultured for 20 days. Both these nodules and structures contained GAG-positive substances were demonstrated by safranine-O staining.

结果：体外培养的软骨细胞为多角形，透射电镜下见胞浆内有丰富的粗面内质网系统及线粒体，胞膜下及胞浆中有较多分泌泡；连续培养10天时，培养瓶底部出现肉眼可见的白色结节，蕃红-O染色显示白色结节含大量氨基葡聚糖阳性物质，20天时形成火山口样结构，也被蕃红-O染成深红色。

The HUVECs retained spindled shaped or cobblestone appearance and positively stained by anti-CD31. DAPI staining showed that 90％of scaffolds surface was reendothelialized and endothelial cells were distributed evently on the surface forming a confluent monolayer.

脱细胞支架细胞成分完全脱去，胞外基质保存完好；分离的细胞培养一周后，细胞呈梭形或多角形，核仁清晰，大小均匀，呈典型的铺路石样；免疫荧光检测可见细胞胞浆内有颗粒状红色阳性信号，说明Ⅷ因子相关抗原染色阳性；膜表面有蓝色阳性信号，说明CD31抗原染色阳性。

METHODS HP strains were obtained by culture from patients Vero cell intracytoplasmic vacuolization was induced by Broth Culture Filtrate ( BCF, 0.22um pore filter) of 43 of 62 HP strains obtained from patients.

62株临床分离的幽门螺杆菌，43株的肉汤培养滤液(0.22um微孔滤膜)作用于体外培养的Vero细胞，能使其产生胞浆空泡样变。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。