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Results In the medium and high dose F0 groups, it was observed that the atrophy and incrassation of seminiferous tubule, decrease of spermatogenesis, hyperplasia of interstitial tissue, especially in high dose groups spermatozoon abnormality and nucleolus concentration in the rats testis after DU ingestion for 14 months. The changes became more severe with the prolongation of DU ingestion. Such changes occurred in filial rats (F1) after DC ingestion for 5 months. In the medium and high dose F0 groups, it was observed that a little atrophy of kidney glomerulus, hyperplasia of interstitial tissue after DC ingestion for 14 months, and kidney glomerulus fibrosis happened after DC ingestion for 20 months, such changes occurred in filial rats (F1) after DC ingestion for 5 months In the medium and high dose F0 groups, splenic germinal center and periarterial lymphatic sheaths were hyperplasia , companies with lymphopoiesis after DC ingestion for 7 months, splenic white pulp became more small and sparse after DC ingestion for 20 months.
结果 F0代的中、高剂量组大鼠摄入贫铀14个月后可见雄性的精曲小管萎缩,管壁增厚呈空虚网状,生精细胞层次减少,间质细胞增生,但仍见有精子生成;高剂量组可见到精子呈异型性改变,细胞核浓缩深染,且随着摄入时间延长改变愈趋明显;F1代大鼠摄入贫铀5个月后就有上述改变且更为严重。F0代中、高剂量组大鼠摄入贫铀14个月后肾小球轻度萎缩,间质增生明显,20个月时肾小球萎缩纤维化;F1代大鼠摄入贫铀5个月后就有上述改变。F0代中、高剂量组摄入贫铀7个月时脾脏生发中心和淋巴鞘增生,淋巴母细胞增生活跃,20个月时脾小体减少,生发中心稀疏;F1代大鼠摄入贫铀早期和晚期有类似改变。F0和F1代高剂量组摄入贫铀早期肝脏有炎症细胞浸润,晚期骨髓有核细胞减少,脂肪细胞增加。
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During the process of osteophyte formation mesenchymal cells covering the periosteal bone surface proliferate and differentiate into chondroblasts and osteoblasts, which build up cartilage and bone matrix.
在骨赘形成过程中,覆盖骨膜骨的间充质细胞增生、分化为软骨母细胞和成骨细胞,后两者构建了软骨和骨基质。
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According to the change of chromatin and morphology of cells, the spermatogenesis could be divided into five stages: spermatogonium, primary spermatocyte,secondary spermatocyte, spermatid and spermatozoon.
利用透射电镜观察秀丽白虾的精子发生,并根据染色质及细胞形态的变化将精子发生的全过程划分为五个时期,即精原细胞、初级精母细胞、次级精母细胞、精细胞和精子。
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It was observed that cellular contents, including chromatins and organelles,migrated in PMCs through cytoplasmic channels,mainly at the stage of synizesis in meiotic prophase Ⅰ.
观察发现,处于凝线期的花粉母细胞,其内含物,包括细胞器和染色质,主要通过胞质通道向相邻细胞发生转移。
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AIM To study the isolation and in vitro culture of rabbit s bone mesenchymal stem cells and adipose stromal stem cells and the use of both BMSCs and ASSCs cells in nuclear transfer to produce totipotent blastocysts.
目的 研究非休眠期成年兔骨髓基质干细胞和脂肪基质干细胞作为供体,以体外成熟去核兔卵母细胞作为受体进行核移植构建重组胚胎的可行性及囊胚形成率。
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And consolidate Kirin's position as Japan's top-selling beermaker.
取三失本开并之先,旧的合资母司硬饮料产质将超功否心否忧母司,并将巩固麒麟控股做为日原头号啤酒造制商的宝座。
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And consolidate Kirin's position as Japan's top-selling beermaker.
与三失利合并之先,旧的开资母司硬饮料产质将超功否心否忧母司,并将巩固麒麟控股做为日本头号啤酒造制商的宝座,论文代写。
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Using cytohischemical staining methods, with the results of comparison the dynamics of proteins and polysaccharides in the anthe wall cells and colule cells of different developmental phases in female and male flowers, the anormogenesis of anther tapetum in the inflecting phase of from bisexual flower to unisexual flower was observed. In microspore developed phase, the tapetum functions of preserving and transportingmutritive material for microspore development and of secreting callosal enzyme for decompositing callosal cell lost no normal guadrant formed, of being abnormal meiose of pollen mother cells, and then, the stamen aborted selectively in female flowers and pistil in male flower.
利用细胞组织化学染色技术,对雌、雄花雄蕊花药壁细胞及花药内细胞发育过程中多糖及蛋白质动态进行了比较,实验中观察到雌花在从两性至单性花转变时期雄蕊绒毡层在整个发育过程中表现异常,在小孢子发育过程中未能起到贮藏、转运营养物质供小孢子发育及适时分泌胼胝质酶溶解胼胝质壁的功能,并且花粉母细胞减数分裂异常而未形成四分体结构,进而导致雌花雄蕊选择性败育,而雄花中雌蕊组织也发生了选择性败育过程。
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Osteoblastoma is an uncommon bone tumor, characterized cytologically by an abundant presence of osteoblasts, and a highly vascular matrix with osteoid tissue and bone formation.
骨母细胞瘤为一较少见的骨肿瘤。细胞学上以有大量骨母细胞,富于血管的基质及骨样组织和骨形成为特点。
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ABSTRACT Objective To discuss the clinical pathologic features and differential diagnosis of mixed germ cell sex cord stromal tumorwith malignant variant of germ cell tumor Methods The clinical pathologic datum and immunophenotype were studied in the case of ovary MGCSCST with malignant variance of germ cell tumor Results The patient's genital anatomy and female phenotype were normal,karotypes was 46xx with uterogestation The tumor tissue consisted of mixed germ cells and sex cord stromal cells with evident malignancy of mixed germ cells There was no atypical structure of gonadoblastoma in tumor tissue Conclusion MGCSCSST has complex morphosis,thus,to prevent misdiagnosis,more samples should be collected and more slices be cut The patient may have prognosis malo when there are high malignant variants of mixed germ cells in tumor tissue
目的 探讨混合性生殖细胞性索间质肿瘤(mixed germ cell sex cord stromal tumor,MGCSCST)伴恶性生殖细胞肿瘤变异型的临床病理特点及鉴别诊断。方法卵巢MGCSCST伴恶性生殖细胞肿瘤变异型的病例进行临床病理特征和免疫表型分析。结果患者生殖器的解剖结构和女性表型正常,染色体组型是46xx,足月妊娠。肿瘤组织由混合性生殖细胞和性索间质肿瘤构成,混合性生殖细胞有显著的恶性特征。瘤组织中没有典型的性腺母细胞瘤结构。结论 MGCSCST有复杂的形态结构,因此更多的取材和切片可以防止误诊,当肿瘤组织中的混合性生殖细胞有高度恶性变异时,患者预后不良。卵巢肿瘤;生殖细胞性索间质肿瘤;免疫组织化学
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。