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Quantitative chromatics analysis of large bowel tumorous adenoma and adenocarci-noma was made by the methods of computer image processing.

本文通过对大肠瘤和癌组织进行计算机图像定量分析,表明大肠瘤和癌的上皮细胞以正常杯状细胞和柱状细胞的色度学特征分布为基准可划分为两大类:杯状细胞性上皮和柱状细胞性上皮。

The results indicate that all of the peltate glandular hairs and head glandular hairs are from an origin—protoderm on the leaf primordium and young leaf, which outgrows on leaf surface and increase radial broad and form the initial cells of the glandular hairs.

研究结果表明,唇形科的毛不论是盾状毛类还是头状毛类,在发育上都是单起源的,即所有的毛均起源于叶原基或幼叶上的原表皮细胞。该细胞在叶表面向外突出生长,径向加宽,形成毛原始细胞。

The salivary gland malignant tumor which mostly originates from salivary gland epithelial tissue may occur in large salivary glands such as parotid gland, submaxillary gland, sublingual gland and minor salivary glands like palate gland and so on.

恶性肿瘤多为涎上皮组织来源的恶性肿瘤,可发生于大涎如腮、颌下和舌下,也可发生于小涎如腭等,具有组织分型多、细胞成分复杂等特点。

The results showed that (1) the positive staining of ChAT was obviously observed in the cells of the three kinds of human pituitary adenoma, however, it was lower than that in normal human pituitary gland;(2) ACh had a similar effect on the proliferation of the three kinds of human pituitary adenoma cells. ACh at 0.1~10 μmol/L decreased the [3H]TdR incorporation and the MTT A value in a dose-dependent manner. At the same time, ACh decreased the ratio of S or G2 phase pituitary adenoma cells significantly, but increased the ratio of G1 phase pituitary tumour cells markedly;(3) the effect of acetylcholine on the proliferation of human pituitary adenoma cells was inhibited by atropine, but not by tubocurarine;(4) ACh had no effect on the apoptosis of human pituitary adenoma cells cultured in vitro.

结果发现:(1)三种垂体瘤细胞中均有胆碱酯酶的表达,但明显少于正常垂体;(2)ACh对三种类型的人垂体瘤细胞增殖代谢的影响相类似,不同浓度的ACh能明显抑制体外培养的三种人垂体瘤细胞的增殖,呈明显的剂量效应关系,同时ACh能减少垂体瘤细胞进入S、G2期的细胞比例,而使处于G1期的细胞比例增加;(3)ACh的这种作用可被阿托品阻断,但不受筒箭毒的影响;(4)ACh对体外培养的三种人垂体瘤细胞凋亡无明显影响。

METHODS: Based on the antitumor activity and structural feature of 8-chloroadenosine and retinoic acid, modifications were made at positions 5′ and 8,substituted cinnamoyl and benzoyl groups were bound at 8 position through amido and ester bonds, sulfonation and nitrosation at 5′-OH and its direct chlorination were conducted.

苷的8位和8-Cl-苷的糖环羟基进行了结构改造,以酰胺键和酯键在苷的8位连接了具共轭基团的肉桂酰基和苯甲酰基,得到苷的维甲类似物;对8-Cl-苷的5′-羟基进行了甲磺酰化,硝基化以及氯代反应,得到了它的衍生物。

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,尤其是对泌盐的位置、泌盐的形态结构及泌盐的发生发育过程进行了系统的研究,结果表明:砂引草的盐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结构,它是由多个细胞组成,包括收集细胞和分泌细胞等。

We have established primarily the nominal mothed and classified system acroding to the developmental pathways and the features of the glandular hairs of plants in labiatae in the ontogenesis. They are divided two groups, peltate and head and there are fifteen types.

在个体发育研究的基础上,我们按唇形科毛的发育过程和结构特点等,初步制定了唇形科毛的命名模式与分类系统,即把已经观察到的唇形科毛划分成头状毛类和盾状毛类两大&类&及其下的15&型&。

The positve rates in serous carcinomas and borderline tumors were 39.3% and 55.6%, significantly lower than that in benign tumors and normal ovaries (P.05), but the statistical differences were not found between borderline tumors and serous carcinomas, benign tumors and normal ovaries.2 WWOX mRNA and protein expression in ovarin seruous tumors2.1 WWOX mRNA expression in ovarin seruous tumors The result of RT-PCR showed that WWOX mRNA expression were detected in 29 of 32 ovarian serous benign tumors, 12 of 16 ovarian serous borderline tumors, and 21 of 45 ovarian serous carcinomas respectively.

阳性条带密度扫描定量结果,卵巢浆液性癌中PTEN蛋白表达相对量为0.34±0.12比正常卵巢和浆液性囊瘤和交界性囊瘤明显降低(p.05),其余各组间无统计学差异。3.2.2 PTEN蛋白FCM检测结果FCM结果,卵巢浆液性癌PTEN蛋白表达的FI值(0.908±0.023)明显低于正常卵巢、卵巢囊瘤和交界性囊瘤的FI值,差异有统计学意义(P.05)。3.2.3 PTEN蛋白免疫组织化学结果35例浆液性囊瘤、18例交界性囊瘤和56例浆液性癌中,分别有31例、15例和29例呈阳性表达。

The results of the ultrastructares of the glandular hairs show that there are a number of the plastids in which there are a big of osmiophilic substances in the secretory cells of the peltate hairs and then that there are much endoplasmic reticulum in the secretory cells of head hairs. The difference between them are with relation to the function.

毛超微结构观察的结果表明,盾状毛类分泌细胞的优势细胞器是质体,其中具大量的嗜锇物质;而头状毛类分泌细胞的优势细胞器是内质网,这种细胞器上的差异与头状毛和盾状毛的分泌功能是相适应的。

Results The morphology of endocrine cells in digestive tract was of multiplicity.The density of 5-HT cells was the highest in the colon,but not found in the esophagus,cardia gastric and cecum.The results showed that SS cells were distributed in the pylorus mostly,but not detected in the cardia,colon,cecum and rectum.Gas positive cells were the most in the duodenums,while in the esophagus and cardia was not discovered.In the cardia VIP cells were maximum,but in the esophagus,duodenums and ileum did not appear.

结果 消化道中4种免疫阳性细胞形态多样,大多呈椭圆形和锥体形。5-HT阳性细胞数量以结肠最多,空肠和回肠次之,幽门区、十二指肠和直肠较少,食管、贲门区、胃底区和盲肠中未见;SS阳性细胞在幽门区数量最多,贲门区、结肠、盲肠和直肠中未见;Gas阳性细胞大量出现于十二指肠,在食管、贲门区和盲肠未见;除个别器官未见VIP阳性细胞外,在消化道的其余各段均有分布。

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