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超微结构的
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  ultrastructural
     RESULTS: Chronic stress resulted in loss of hippocampal CA3 pyramidal neuron from 39±4 to 35±4, shortening of total length of apical dendrite (from 196μm±35μm to 156μm±33μm, P<0.05), and ultrastructural degenerations of neurons.
     结果:慢性应激引起了海马CA3区神经元的丢失(由39±4减少至35±4)、顶树突总长度的缩短(由196μm±35μm缩短至156μm±33μm,P<0.05),以及神经元超微结构的变性。
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     The ultrastructural changes of spermatogenic cells were observed at 6 h, 1 d, 3 d, 7 d, 14 d, 28 d and 90 d after mice irradiated by 8×10 3V/m,2×10 4V/m and 6×10 4V/m EMP respectively, for five times.
     辐射组小鼠分别接受 8× 1 0 3V/m、2×1 0 4 V/m、6× 1 0 4 V/m电磁脉冲 5次重复全身照射 ,于照射后 6h和 1、3、7、1 4、2 8、90 d观察生精细胞超微结构的改变。
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     AN ULTRASTRUCTURAL STUDY ON HYPOCOTYLEDONARY AXIS OF GERMINATING SOYBEAN (Glycine max L. Merr) SEEDS
     大豆(Glycine max L. Merr)萌发种子下胚轴超微结构的研究
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     Ultrastructural Damage of Hg~(2+) to Leaf Cells of Nymphaea tetragona Georgi
     Hg~(2+)对睡莲幼叶细胞超微结构的损伤
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     ultrastructural change and different between HepG2 and HepG2 /CDDP were distinguished by transmission electron microscope.
     透射电镜比较HepG2和HepG2/CDDP细胞超微结构的变化及不同。
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  “超微结构的”译为未确定词的双语例句
     Study on Thyrotropin Receptor Gene Expression and Ultrastructure Changes in Retroorbital Fatty Connective Tissue with Thyroid Associated Ophthalmopathy
     促甲状腺激素受体在甲状腺相关眼病眶脂肪结缔组织中的表达及其超微结构的研究
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     Effect of Method for Replenishing Spleen and Stomach on the PKC Activities of Hippocampus Neuron and Bcl-2,Bax Protein Expression and Ultrastructure in Rats with Spleen Deficiency Syndromes
     补益脾胃法对脾虚老龄大鼠海马神经元PKC活性与bc1-2和bax蛋白表达及超微结构的影响
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     Study of CFTR Gene Mutations and Testicular Ultrastructure and ICSI of Congenital Obstructive Azoospermia
     先天性梗阻性无精子症患者CFTR基因突变及其睾丸超微结构的研究和ICSI治疗的临床观察
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     A Study of the Ultramicroscopic Structures of the Sweat Gland Cancer in the Human Breast
     乳腺大汗腺样癌超微结构的研究
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     A Study of the Ultramicroscopic Structures of the Sweat Glaud Cancer in the Human Breast
     乳腺大汗腺样癌超微结构的研究
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     A Study on the Ultrastructure of Chondroblastoma
     软骨母细胞瘤超微结构
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     Study on Ultrastructure of Benign and Malignant Pheochromocytoma
     嗜铬细胞瘤超微结构
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     The changes of the ultrastructure of hippocampi in old spleen-Yin-deficiency rat were observed.
     观察海马超微结构
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     The myocardial ultrastructure was examined.
     观察心肌超微结构
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  ultrastructural
Ultrastructural changes showed the presence of many lipid droplets and granules in the mitochondria, endoplasmic reticulum, and cell plasm of hepatocytes.
      
Structure-, concentration-, and time-dependent effects of xenobiotics on the ultrastructural organization of cells are analyzed.
      
Only certain quantitative distinctions in the development of individual ultrastructural characteristics of plastids were detected.
      
Morphometric and Ultrastructural Characteristics of the Mitochondrial System of Cardiomyocytes in the Rat Left Ventricle under C
      
Ultrastructural study of liver cells from rooks living in ecologically unfavorable areas
      
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A multi-methodological study was performed on the preservation of cellular and subcellular structures and nucleic acid of an ancient cadaver of Mawangtui Tomb No. I. It was found by microscopy that chondrocytes of the cadaver were the most perfectly preserved cells. Some of them showed nearly normal morphology, their cytoplasm appeared homogeneous or vacuolated, with a distinct nucleus of loose architecture. However, under electron-microscopy, the intracellular ultrastructures were found to be mostly destroyed,...

A multi-methodological study was performed on the preservation of cellular and subcellular structures and nucleic acid of an ancient cadaver of Mawangtui Tomb No. I. It was found by microscopy that chondrocytes of the cadaver were the most perfectly preserved cells. Some of them showed nearly normal morphology, their cytoplasm appeared homogeneous or vacuolated, with a distinct nucleus of loose architecture. However, under electron-microscopy, the intracellular ultrastructures were found to be mostly destroyed, leaving only a few structures which resembled residual endoplasmic reticulum and nuclear membrane fragments. By the methods of the histochemical Feulgen reaction and cytochemical photometry and, in addition, biochemical extraction, several lines of evidence were obtained indicating that macromolecular nucleic acids were present in these chondrocytes, including both deoxyribo- and ribonucleic acids. Apparent degradation of these nucleic acids was also evident.Accompanying the preserved cells numerous bacterial spores with very perfect structure were seen in the tissues of the cadaver.In light of the above observations, the preservation of cell structure was discussed. It was concluded that the state of preservation of the cadaver was fairly good at the cellular level, especially in the case of chondrcoytes; but even in these cells, nothing typical of normal cellular fine ultrastructures were present.

本文对马王堆一号汉墓古尸进行了细胞、超微结构以及核酸保存状态的研究。显微镜的观察发现软骨细胞保存最为完整。有些软骨细胞接近正常形态,细胞界限清楚,并含有比较完好、结构疏松的核。但在电子显微镜下观察,这些细胞的超微结构已大部崩解,只见到一些类似内质网的残迹和核膜的断片。组织化学的福尔根反应,细胞化学的紫外吸收和生化的抽提鉴定,都一致证明软骨细胞中尚保存着一定大分子性质的核酸,包含脱氧核糖核酸和核糖核酸。这些核酸显然已遭受较大程度的降解和破坏。古尸组织中伴同细胞,保存着非常完整的细菌芽孢。根据这些观察,讨论了细胞的保存程度,认为古尸的保存已达到了细胞水平。

In 1974, primary hepatomas wereinduced in Wistar rats by treatmentwith Diethylnitrosamine (DENA) andfrom them an AFP(+) transplantablehepatoma designated as BERH-2 wasestablished in the same rat strain. Theprimary tumor was derived from pa-renchymal liver cells and up to nowthe transplantable tumor line has givena steady growth rate and has beenserially passed through more than 70generations. By means of immunodif-fusion and rocket immunoelectrophoresis,both the sera from rats bearing theprimary hepatoma and...

In 1974, primary hepatomas wereinduced in Wistar rats by treatmentwith Diethylnitrosamine (DENA) andfrom them an AFP(+) transplantablehepatoma designated as BERH-2 wasestablished in the same rat strain. Theprimary tumor was derived from pa-renchymal liver cells and up to nowthe transplantable tumor line has givena steady growth rate and has beenserially passed through more than 70generations. By means of immunodif-fusion and rocket immunoelectrophoresis,both the sera from rats bearing theprimary hepatoma and those during suc-cessive transplant generations were shownto contain AFP. Moreover, there existeda positive correlation between the growthrate of this hepatoma and the amountof AFP found in host serum. Based onultrastructure observations, two types oftumor cells having matrices with diffe-rent electron densities were found.

1974年在Wistar品系大鼠用DENA诱发得原发性肝癌,移植于同品系幼鼠建立了一株AFP为阳性的大鼠移植性肝癌,命名为BERH-2。病理鉴定为肝细胞肝癌,至今已三年多,传至第70余代,目前生长稳定。利用免疫学方法测定这株BERH-2肝癌的原发灶及建株过程中各代宿主的血清,AFP恒呈阳性。超微结构表明存在着基质电子密度不同的两类细胞。BERH-2肝癌的生长与宿主血清中AFP含量的增加呈平行的正相关。

This paper deals with the function of chloroplasts from the mesophyll cells of winter wheat Nongda 311 as a continuation of our previous studies on the leaf cells of the same species. Samples of leaves were taken for electron microscopy and photosynthetic deter- minations:It is found that the ultrastructures of chloroplasts from different ranks of leaves very in complexity in an ascending order.The stroma of chloroplasts from the upper-ranked cells are heavily stained as shown by their high content of ribosomes...

This paper deals with the function of chloroplasts from the mesophyll cells of winter wheat Nongda 311 as a continuation of our previous studies on the leaf cells of the same species. Samples of leaves were taken for electron microscopy and photosynthetic deter- minations:It is found that the ultrastructures of chloroplasts from different ranks of leaves very in complexity in an ascending order.The stroma of chloroplasts from the upper-ranked cells are heavily stained as shown by their high content of ribosomes and high consistaney of the mobile phase.The grana lamellae in the flag leaf chloroplasts are thickly stacked against a few disks in the grana of 5 th leaf.The rate of Hill reac- tion and photophosphorylation of the flag leaf is higher than that of the 5th leaf. The mitochondria in the flag leaf cells are large and numerous as compared to these from the 5th leaf.The respiration of the flag leaf is nearly two fold higher than that of the 5th leaf. To sum up our data,we see that the close association between structure and func- tion has gone through a series of changes from the simple to the complex.It is our task to reveal the changes in detail and take measures to regulate the changes,for it is of practical importance.

本文是小麦叶片细胞研究的继续。通过电子显微镜观察和光合功能的测定发现:冬小麦植株个体发育过程中,各层次叶片叶肉细胞叶绿体的超微结构随叶位的逐渐上升而渐趋于复杂化,其光合功能也相应地增强,至旗叶最为显著。具体表现为基粒片层(grana lamella)、基质片层(stroma lamella)的数目随叶位上升而增多;基质也随之渐浓;Hill 反应和光合磷酸化活性也相应地提高很多。此外,高叶位叶片特别是旗叶,在叶绿体旁出现的线粒体较低叶位的多,其呼吸强度比第五叶相应地高出几乎一倍。上述结构和功能的密切相关及其从简单到复杂这一自然规律的揭示,对采取措施加以调节控制,是具有重要意义的。

 
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