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lipid droplets
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  脂滴
     The lipid droplets diameters of immature, mature and fertilized oocyte were 1.55±0.08μm, 1.02±0.46μm and 1.27±0.43μm.
     脂滴在成熟培养前、后和受精后直径为1.55±0.08μm、1.02±0.46μm、1.27±+0.43μm。
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     ADFP specificly specifically localizes on lipid droplets, and is a member of PAT (Perilinpin, ADFP, TIP47) family, which are associated with the surface of lipid droplets.
     ADFP定位于脂滴表面,是脂滴结合蛋白PAT(Perilinpin,ADFP,TIP47)家族中的一员。
短句来源
     Results According to flow cytometry assay, MSCs were positive for CD44 and CD29, while negative for CD34 and CD45. Lipid droplets were found in the MSCs cytoplasm after being incubated in adipogenic inducation media.
     结果MSCs膜表面CD34阴性、CD45阴性、CD44阳性、CD29阳性。 脂肪细胞诱导液培养后细胞内出现脂滴沉着。
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     PPARr2,GLU-4,and Leptin genes were detected in adipogenic differentiation and intracellular lipid droplets could be observed by Oil Red staining.
     向脂肪诱导可检测到PPARr2、GLU-4、Leptin基因表达,细胞内有脂滴形成。
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     There were concentration dependent decreases both in TC content and lipid droplet containing cell proportions when treated with TP from 40 ng·L -1 to 40 mg·L -1 . The number of lipid droplets was also decreased in TP treated mesangial cells.
     随培养液茶多酚浓度由 40ng·L- 1 ~ 40mg·L- 1 递增 ,脂蛋白刺激的系膜细胞TC含量及油红 O染色阳性细胞比例递减 ,呈剂量依赖性关系 ,系膜细胞内脂滴数量减少。
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  脂质颗粒
     Most of sertoli cells presented abundant lipid droplets and degradative bodies in their cytoplasm in all cases. In 2 cases,tight junctions between sertoli cells were not found.
     支持细胞表现数目增多 ,胞浆内脂质颗粒及降解小体明显增多 ,有时可见支持细胞之间的紧密连接消失 (2例 )。
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     Many lipid droplets in cytoplasm of hepatocytes from VMH-lesioned obese rats were observed, while there was no similar finding in hepatocytes of control rats.
     显微镜下 ,在 VMH肥胖组大鼠肝细胞中可见有大量的脂质颗粒 ,而其对照组肝细胞中并没有见到类似的脂质颗粒
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  “lipid droplets”译为未确定词的双语例句
     Image analysis displayed areas of lobular lipid droplets in the control group, which took 1.24%~4.01%, and mild, moderate and severe hepatic steatosis took 12.04%~24.00%,25.91%~34.94%,35.43%~46.80% orderly.
     图像分析显示 :正常肝脏脂肪面积为 1.2 4%~4.0 1% ,轻、中、重度脂肪肝依次为 12 .0 4%~ 2 4.0 0 % ,2 5.91%~ 3 4 .94% ,3 5.43 %~ 46.80 %。
短句来源
     and RIC of both perfused and non-perfused kidneys were studied by electron microscope. The diameter and number (granules /area ) of lipid droplets in non-perfused and perfused kidneys were 0. 52 ±0. 17 μm,24. 9±1.0/1000 μm2 and 0. 45±0. 16μm. 14. 3±3. 3/1000μm2 respectively.
     非灌流肾RIC颗粒平均直径0.52±0.17μm,颗粒大小分布曲线变动幅度较大,峰值位于0.4~0.5μm之间,其中可见直径达1μm以上的粗大颗粒,平均密度为24.9±1.0个/1000μm2。
短句来源
     The lipid droplets showed hyperintensity on SE T 1WI, a little lower signal intensity on T 2WI, and hypointensity on fat suppression sequence.
     脂肪滴MRISE序列T1WI呈显著高信号 ,T2 WI其信号略有衰减 ,脂肪抑制序列则呈极低信号 ;
短句来源
     At third passage, the purity of MSC is 93% with both two methods2 、 According to the flow cytometry assay, MSC at third passage were positive forCD44 and CD29, while negative for CD34 and CD45.3、 After incubation in adipogenic inducation media for about 4~5 days, MSC produced lipid droplets.
     在传到第3代时两种方法细胞纯度类似,均可以到达93%。 2、培养至第3代的MSC膜表面CD34阴性、CD45阴性、CD44阳性、CD29阳,胜。
短句来源
     Results The hMSC-TERT was negative for CD34,CD45,CD44,CD106 and CD166.After the induction,accumulated cytoplasmatic red lipid droplets were clearly visible in the adipose cells by Oil red O staining,and alkaline phosphates-positive pitchy grains formed in the intracytoplasm and calcium nodes were found by von Kossa staining in the osteoblasts.
     结果hMSC-TERT细胞表面抗原检测CD34、CD45、CD44、CD106、CD166均为阴性; 脂肪细胞定向诱导后油红O染色见胞浆内有红色脂肪颗粒,成骨细胞定向诱导后见胞浆内有碱性磷酸酶染色阳性黑褐色颗粒,von Kossa染色见有钙结节形成。
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  lipid droplets
Ultrastructural changes showed the presence of many lipid droplets and granules in the mitochondria, endoplasmic reticulum, and cell plasm of hepatocytes.
      
The cristae nearly lacked glycogen and had abundant lipid droplets, which often tightly contacted mitochondria.
      
In contrast to control, the hepatocyte cytoplasm: (1) contained a lot of glycogen; (2) there were many lipid droplets, which directly contacted glycogen granules; and (3) had more abundant peroxisomes.
      
In addition to normal erythrocytes, the sinusoids contained erythrocytes with mitochondria, vesicles, and lipid droplets in their cytoplasm.
      
This vacuole has also been found to contain vacuoles and vesicles of different natures, restricted by vacuole membranes, autophagosomes, and lipid droplets.
      
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It is well known that the paired blood flukes Schistosoma japonieum, living in human's portal-mesenterie veins, copulate more or less permanently and lay their eggs in large numbers. The eggs are partly passed via the feces to form transmissive agents; the others are deposited in the host tissues to bring about granulomatous lesions. Thus schistosome eggs are not only the main factor of pathogenesis, but also an important source in transmission of the disease. The problems on the egg formation and shell-formative...

It is well known that the paired blood flukes Schistosoma japonieum, living in human's portal-mesenterie veins, copulate more or less permanently and lay their eggs in large numbers. The eggs are partly passed via the feces to form transmissive agents; the others are deposited in the host tissues to bring about granulomatous lesions. Thus schistosome eggs are not only the main factor of pathogenesis, but also an important source in transmission of the disease. The problems on the egg formation and shell-formative substances in s玥istosome, therefore, have been receiving an increasing attention in recent years. The present paper deals with the process of egg formation of 8. japonieum and the chemical nature of the egg shell by means of his-tologieal and histoehemical technique, as well as some results of the effects of thiourea compounds on the egg formation in this fluke.In the case of micro-anatomy, histology and histochemistry of female genitalia, it was shown that the female reproductive system consisted of an ovary, vitelline gland, oviduct, vitelline tube, ovovitelline tube, ootype. Mentis' gland, uterus and genital pore. A large ovoid ovary was situated a little posterior to the middle of the body. At the base of the ovary, an ovarian ampulla was observed and its opening was surrounded by a group of circular sphincter muscles which probably regulated the passage of maturing ova into the oviduct. The proximal part of the oviduct was enlarged to form a chamber of large diameter, which was invariably filled with spermatozoa. Ova emerged from the ovarian ampulla met with sperms at this region and fertilization took place, so the chamber served practically as a seminal receptacle. Connecting with the chamber was a very small tube which wound and ran anteriorly to the ovovitelline tube, where it joined the vitelline tube. The positive reaction for nuelic acids, aromatic amino-acids, phosphatase and some glycogen was found in the maturing ova.The vitelline gland consisted of a large number of lobules extending through the body posterior to the ovary and each lobule contained cells at different stages of development. The mature vitelline cell was a large conspicious cell characterized by the granules concentrated mainly at the periphery of the cell. Basic proteins, phenolic substances and phenolase were richly distributed in these granules. The other obvious feature was a great deal of lipid droplets scattered through the cytoplasm, while glycogen could not be detected.Valve-like structures containing 2 or 3 nuclei might be observed from the following locations of the associated ducts: one at the joint of ovarian ampulla to the proximal oviduct; one at the junction of the posterior oviduct with the vitelline tube; one in the lumen of the terminal part of the vitelline tube near to the ovovitelline tube as well as in the lumen of the ovovitelline tube. Their respective role and functions were discussed.The epithelial cells of the ootype were shown to be apocrine secretion glandular cells with a rhythmic function probably connected with the formation of eggs. These cells might be divided into two phases, one being the resting phase and the other secreting phase. Alkaline phosphatase activity and aromatic amino-acids were most pronounced in these epithelial cells. The entrance of the ootype into the uterus proper was guarded by a well-defined valve which regulated their passage and prevented reflex.Mehlis' gland consisted of a group of one type unicellular gland cells lying in the parenchyma adjacent to the ootype and opening into the lumen of pre-chamber of the ootype. According to the tests for histochemistry, it was found that their secretions were strongly positive with the PAS reaction even after diastase or hya-luronidase treatment. The secretions from Mehlis' gland cells and/or epithelial cells of ootype played a vital part in coalescence of the vitellogranules and the formation of the egg shell.In the case of histochemical tests for egg shell precursors in S. japonicum, a number of methods were employed to ascertain t

本文应用组织学及组织化学方法研究了日本血吸虫卵形成的过程,并进行了硫脲化合物对虫卵形成影响的实验。 日本血吸虫雌虫生殖系统是由发生卵细胞的卵巢和发生卵黄细胞的卵黄腺这两个腺体及其连接管道所组成。连接管道包括输卵管、卵黄管和卵-卵黄会合管,分别将卵细胞和卵黄细胞运送至卵形成部位——卵模及其周围的梅氏腺,在其中形成一个完整的虫卵,再通过子官将此新形成的虫卵送经生殖孔而排出。 一个完整的虫卵系由一个受精卵细胞,及约20个卵黄细胞以及包在它们外面的一种硬化蛋白质的卵壳所构成。卵细胞含有丰富的核糖核酸、去氧核糖核酸、芳香族氨基酸、磷酸酶和若干糖原。卵黄细胞含有许多脂类物质,其细胞质中的卵黄颗粒球是制造卵壳的原料,含有蛋白质、酚类物质和酸酶,它们是卵壳的前身物。卵壳形成的化学性质可能是酚类物质受酚酶的氧化作用变成醌,再与邻近的蛋白质结合成醌鞣蛋白,而成为一种硬化的卵壳物质。 日本血吸虫卵形成部位系在雌虫体中段的卵模及梅氏腺区域。卵模腔内壁由单层上皮细胞所构成,它是一种顶浆分泌腺细胞,含有丰富的碱性磷酸酶和芳香族氨基酸蛋白质。在形态上可分为静止相和分泌相,它的分泌机能呈现周期性并似与卵模腔内卵壳的形成有节奏地相配合。在卵模...

本文应用组织学及组织化学方法研究了日本血吸虫卵形成的过程,并进行了硫脲化合物对虫卵形成影响的实验。 日本血吸虫雌虫生殖系统是由发生卵细胞的卵巢和发生卵黄细胞的卵黄腺这两个腺体及其连接管道所组成。连接管道包括输卵管、卵黄管和卵-卵黄会合管,分别将卵细胞和卵黄细胞运送至卵形成部位——卵模及其周围的梅氏腺,在其中形成一个完整的虫卵,再通过子官将此新形成的虫卵送经生殖孔而排出。 一个完整的虫卵系由一个受精卵细胞,及约20个卵黄细胞以及包在它们外面的一种硬化蛋白质的卵壳所构成。卵细胞含有丰富的核糖核酸、去氧核糖核酸、芳香族氨基酸、磷酸酶和若干糖原。卵黄细胞含有许多脂类物质,其细胞质中的卵黄颗粒球是制造卵壳的原料,含有蛋白质、酚类物质和酸酶,它们是卵壳的前身物。卵壳形成的化学性质可能是酚类物质受酚酶的氧化作用变成醌,再与邻近的蛋白质结合成醌鞣蛋白,而成为一种硬化的卵壳物质。 日本血吸虫卵形成部位系在雌虫体中段的卵模及梅氏腺区域。卵模腔内壁由单层上皮细胞所构成,它是一种顶浆分泌腺细胞,含有丰富的碱性磷酸酶和芳香族氨基酸蛋白质。在形态上可分为静止相和分泌相,它的分泌机能呈现周期性并似与卵模腔内卵壳的形成有节奏地相配合。在卵模周围分布着一种单细

The present study was designed to investigate the ultrastructural changes of Sertoli cells of rat testis following gossypol administration at a dosage of 30 mg/kg/day for 4~6 weeks. Results indicate that 4 weeks after gossypol treatment, a series of ultrastructural changes concerning with phagocytic activity such as increased in amount of lysosomes, lipid droplets, ring or cup shaped mitochondria as well as the multiform changes of mitochondria and lysosomes were evident in the Sertoli cell. However, by...

The present study was designed to investigate the ultrastructural changes of Sertoli cells of rat testis following gossypol administration at a dosage of 30 mg/kg/day for 4~6 weeks. Results indicate that 4 weeks after gossypol treatment, a series of ultrastructural changes concerning with phagocytic activity such as increased in amount of lysosomes, lipid droplets, ring or cup shaped mitochondria as well as the multiform changes of mitochondria and lysosomes were evident in the Sertoli cell. However, by 6 weeks after treatment, the Sertoli cells became "inactive" and began to show degenerative changes: distension and vesiculization of endoplasmic reticulum, accumulation of lipid droplets, cellular debris and lysosomes in varying sizes and phases, and the occurrence of atrophic changes of mitochondria. The nature of these changes in Sertoli cells following gossypol treatment and its significance was discussed.

本实验用电子显微镜观察了大鼠口饲棉酚后睾丸生精上皮中支持细胞的超微结构的改变。棉酚每日剂量30毫克/公斤体重,连服4~6周后分别杀死取材,制成超薄切片观察。结果表明服棉酚后支持细胞呈现一系列细胞功能活跃与吞噬功能有关的胞器超微结构改变:溶酶体及脂滴增多,线粒体增生和多形性变化,服药6周后,内质网扩张明显,脂滴堆积,细胞开始处于不活跃状态。结合上述结果,本文对服棉酚后支持细胞超微结构变化的性质及其意义进行了讨论。

The structure of yolk platelet ofRana amurensis,similar to those in othervertebrates,can be distinguished intothree main parts:Limiting membrane,central crystalline body and betweenthem,zone of granules and fibers whichmay be further separated into dark andlight areas (Plate Ⅱ,Fig.3).Sincethe function of yolk platelets is thoughtof as a final store of energy and buildingmaterials,the ultrastructure of yolkplatelet should display some changesduring the first cleavage of the fertilizedeggs. A new water soluble...

The structure of yolk platelet ofRana amurensis,similar to those in othervertebrates,can be distinguished intothree main parts:Limiting membrane,central crystalline body and betweenthem,zone of granules and fibers whichmay be further separated into dark andlight areas (Plate Ⅱ,Fig.3).Sincethe function of yolk platelets is thoughtof as a final store of energy and buildingmaterials,the ultrastructure of yolkplatelet should display some changesduring the first cleavage of the fertilizedeggs. A new water soluble embeddingmethod was developed in our labora-tory,with which most of Iipids,ifnot all,could be preserved in situ.This was further demonstrated in PlateⅢ,Fig.Ⅱ) which was taken from thesample embedded in the water solubleaminoplastic and extracted with a mix-ture of ethanol-acetic ether-n-haxaneand then reembedded in a secondresin.In this figure sites of lipid droplet,plasma membrane,limiting membrane of yolk platelet etc.were unstained.By virture of this property somestructural details,such as membranecoated vesicles,could be seen clearer(Plate Ⅲ,Fig.9 and 10) than those insamples prepared with Epon 812 resin(Plate Ⅱ,Fig.3 and 7). The process of degradation of yolkcrystal could be separated into foursteps:(1) Molecules of yolk crystal,with increasing staining intensity,drop-ped from the main body and went into-the margin of dark area either in rows(Plate Ⅱ,Fig.3,arrowed) or in individual particles (Plate Ⅱ,Fig.4—6).Thus the dark area increased its sizealong with the degradation of the outmost layer of crystal.(2) In the darkarea,"micelle" (Plate Ⅰ,Fig.1) ap-peared.(3) In the light area emer-ged 600 A membrane coated vesicles(Plate Ⅲ,Fig.9 and 10),which mightdevelop from "micelle" by the sideof dark area.(4) Limiting membraneof yolk platelet,at certain places alongthe margin of the light area,outgewfollowed by the release of membranecoated vesicles out of the yolk platelet(Plate Ⅲ,Fig.9 upper left).

用水溶性电镜包埋介质等四种不同的方法研究了黑龙江林蛙卵第一次卵裂时卵黄粒的精细结构的变化。观察到在2-细胞期已经有一部分卵黄粒开始降解,这比文献报道卵黄粒在囊胚晚期才开始降解要早。卵黄粒降解步骤:1.从晶形主体边缘脱落晶分子,晶分子进入非晶形区之后电子染色加深,使深色亚区扩大面积。2.在深色亚区中出现“微泡”结构。3.从深色亚区转变成浅色亚区并在后者中出现直径600埃左右的具膜小泡,它们可能是从深色亚区中的“微泡”演化而来。4.具膜小泡随着卵黄粒界膜的破损而释出。

 
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