形态发生

To determine the true rate of aneuploidy and to elucidate the mechanism of aneuploidy,the sperms were decondensed for FISH analysis. It was found that the disomic frequencies of chromosome X was 0.208%. A new decondensation method was developed by trypsin treatment. The basic morphology of sperm was maintained.

为了解非整倍体的真实发生率及其发生机制，本文以X染色体α卫星DNA探针进一步检测出正常精子中X染色体的二体型频率为0.208％，同时，建立了一种保持精子基本形态的胰酶去凝聚的方法，为目前国内尚未开展的精子遗传物质结构的分子细胞遗传学研究，提供了新的手段。

The salty gland of Messerschmidia sibirica is developed from epidermic cell of stem and leaf.

利用石蜡切片法研究了砂引草茎叶的解剖结构，尤其是对泌盐腺的位置、泌盐腺的形态结构及泌盐腺的发生发育过程进行了系统的研究，结果表明：砂引草茎的初生结构维管束是外韧的，且其有10-12束，大小不等，髓和髓射线发达；叶的上下表皮细胞各一层，栅栏组织与海绵组织分化明显。

Paraffin sectioning was employed to study the developmental structure of stems and leaves of Messerschinidia sibirica, especially the position, the structure and the formation and development of the salty gland. The result indicated: that salty gland of M. sibirica is from epidermic cell of stem and leaf. Based on the observation we found one primary kind of salty glands structure which consists of many cells on the epidermis including the collecting cell and the secretory cell and so on.

利用石蜡切片法研究了砂引草茎叶的解剖结构，尤其是对泌盐腺的位置、泌盐腺的形态结构及泌盐腺的发生发育过程进行了系统的研究，结果表明：砂引草的盐腺由茎叶的表皮细胞发育而成，通过观察发现在砂引草的表皮上存在着一种主要的盐腺结构，它是由多个细胞组成，包括收集细胞和分泌细胞等。

Pentylenetetrazol is a central nervous system drug that induce chronic and acute epilepsy model to study epileptogenous mechanism .Kindling is a natural epileptogenous phenomenon.

我们前期研究工作发现：应用电镜、Timm染色等从形态结构方面已证实在点燃前神经元发生了可塑性改变包括苔藓纤维芽生，新突触形成(突触密度增大或数量增多)与突触重排等，但这些只是一个初步探索，仍不能够说明问题的全部，如其分子生物学基础、神经元凋亡情况等尚不清楚，需进一步研究探讨。

ASR1 is a gene from early auxin-responsive GH3 gene family, and the protein encoded by this gene is overexpressed in the mutant, which results in the following morphological phenotypes including dwarf, epinastic rosette leaves, and restrained lateral root formation, etc. Meanwhile, ASR1 may modify the plant defense signaling molecule salicylic acid in vivo, and therefore asr1 mutant is more susceptible to the infection from the pathogen Pseudomonas syringae.

ASR1属于生长素相关的GH3基因家族，它编码的蛋白质在突变体内过量表达，并造成植株矮化，莲座叶片向下卷曲，侧根发生受到抑制等形态表型的改变，同时，ASR1可能还参与了植物体对抗病信号分子水杨酸的调控或修饰过程，并使asr1突变体对病原菌丁香假单胞杆菌的侵染更敏感。

Correct diagnosis were made in 34 malignancies and 6 false positive lesions were excluded based on moiphology and 18F-FDG uptake status of the lesion. There were 6 false positive and 2 false negative cases. Furthermore, extrathoracic metastases which were not showed on previous CT image in 4 patients including one in the adrenal gland and 3 in the bone were detected by 18F-FDG imaging.

根据形态及核素摄取特征，18F-FDG符合线路显像正确检出恶性病变34例，排除恶性病变6例，出现假阳性6例和假阴性2例，对原发肺癌诊断的灵敏度、特异性和准确性分别为94.4％、50.0％和83.3％；同时，在4例患者中检出了CT未发现的、发生于肾上腺和骨的肺外转移。

The attenuation values at unenhanced and enhanced CT of the tumor were also recorded. Results The 32 cases adrenal neoplasms included 9 cases with aldosterone-producing adenoma, 5 hydrocortisone-producing adenomas, 1non-functional adenoma, 5 cortical hyperplasies,4 pheochromocytomas,2 adenocarcinomas, 3 metastases, 1 fibroneuroma, 1 ganglioneuroma and 1 myelolipomas. Conclusion The characteristics on CT images are associated with the pathological feature in adrenal neoplasms.

结果 醛固酮腺瘤9例，体积较小且密度低，增强后轻度增强；皮质醇腺瘤5例，瘤体较大，边界清，密度略低于正常肾上腺组织；无功腺瘤1例；结节增生5例，为等或稍低密度影，增强后强化较明显；嗜铬细胞瘤4例，体积较大，密度不均，可见多个囊变坏死区；皮质腺癌2例，肿块形态不规则，边缘模糊，密度不均匀，易发生大片坏死及点状钙化；转移瘤3例；神经纤维瘤、神经节瘤及髓性脂肪瘤各1例。

By the two steps, distract and correct the knee flexion at 0 degree to form knee joint with caput fibulae and lower femur and to fit the lower limb brace which can stahilize the knee joint after the llizarov apparatus is disassembled.

结论膝关节牵伸技术，可有效的矫正先天性胫骨缺如伴发的屈膝畸形，安装带膝关节铰链的牵伸器，可将腓骨头与股骨下端控制于中直位，在长期生理性行走应力的刺激下，腓骨发生了胫骨样的变化，可发育成具有类似膝关节形态的结构，整个患肢由于正常的行走使用而得到良好发育。

Among various affecting factors of gravity erosion,the topography and geomorphy,i.e.the gravity erosion provides the basic dynamic force and its behavior is the results of long-term action of gravity erosion.

在重力侵蚀的各种影响因素中，地形地貌既为重力侵蚀的发生提供基本动力，其形态又是重力侵蚀长期作用的结果。

Because distribution boundary between the East Clade and the West Clade was almost the same for the division line of physical environmental heterogenicity between the East and the West within the East Asia (division line between the second and third stage in accordance of topographical disjunction), it was speculated that physical environmental heterogenicity between the East and the West had played a key role in the phylogeny of the complex.

rDNA ITS区比较序列分析和AFLP分析都表明粉花绣线菊复合体各变异类型间已发生了一定程度的分化，确认了基于形态证据对粉花绣线菊复合体内各变异类型的认知，同时也表明ITS序列和AFLP是探讨绣线菊属或亚科种下或近缘种间系统发育关系的有效分子标记。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。