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环孔片层
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  annulate lamellae
     According to the evidence which have been observed, it is proposed that annulate lamellae in goldfish oocytes are probably differentiated from the rough endoplasmic reticulum.
     我们从观察结果推测金鱼卵母细胞的环孔片层可能是由粗面内质网衍生而成。
短句来源
  “环孔片层”译为未确定词的双语例句
     ELECTRON MICROSCOPIC OBSERVATION ON ANNULATE LAMELLAE DURING OOGENESIS IN GOLDFISH (CARASSIUS AURATUS)
     金鱼卵母细胞发育过程中环孔片层的电镜观察
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  相似匹配句对
     NEW ATOMIZING NOZZLE WITH RING HOLES
     新型雾化喷嘴
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     A Theoretical Analysis of Looppole p-n Junction
     p-n结理论分析
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     The Ring of Satum
     土星
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     When you want have a loop
     上的隐忧
短句来源
     ELECTRON MICROSCOPIC OBSERVATION ON ANNULATE LAMELLAE DURING OOGENESIS IN GOLDFISH (CARASSIUS AURATUS)
     金鱼卵母细胞发育过程中片层的电镜观察
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  annulate lamellae
Rarely, annulate lamellae occur in the perinuclear region.
      
Organelles and inclusion bodies present in the ooplasm during oogenesis include rough endoplasmic reticulum (RER), Golgi bodies, mitochondria, free ribosomes, Balbiani's vitelline body, annulate lamellae and yolk and cortical granules.
      
The large cells had many dilated cytoplasmic cisternae, numerous glycogen granules of about 250-300 ? in diameter and annulate lamellae.
      
Annulate lamellae are common in the epithelial cells.
      
Fine structure of prolactin pituitary adenoma with special reference to annulate lamellae
      
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  annulate lamella
Whether an annulate lamella is formed between a pair of neighboring masses depends on their proximity.
      


The present study primarily details some changes accompaning the virus infection in larval fat body cells. 24 hours after infection, cytopatho-iogical alteration appeared. At early stage of infection, the remainder of the nucleus contained only small remains of hetrochromatin resulting in a "cleared" area, and the virogenic stromata appeared, nuclear membrane duplicated and reduplicated. After nuclear membranes broke down, the virogenic stromata were surrounded by membrane-like structures, and nucleo- capsids...

The present study primarily details some changes accompaning the virus infection in larval fat body cells. 24 hours after infection, cytopatho-iogical alteration appeared. At early stage of infection, the remainder of the nucleus contained only small remains of hetrochromatin resulting in a "cleared" area, and the virogenic stromata appeared, nuclear membrane duplicated and reduplicated. After nuclear membranes broke down, the virogenic stromata were surrounded by membrane-like structures, and nucleo- capsids produced. Some nucleocapsids aquired viral envelope from the membranous fragment surrounding these virogenic stromata, then embedded in capsule protein to form mature capsule called inclusion body. Part of cap-sidss arranged along the vacuqlar membrane in cytoplasm. The other nucleocapsids budded from the infected cells and acquired envelopes as a result. We assume that nucleocapsids may be released by these vacuoles without any damages o,f the cell and may be infectious. Annulate lamellae were found in infected cells during the whole developing process of the virus. Nucleolus-like material existed in an advanced stage of infection. The outer and inner membranes area of mitochondria increased and cristal membrane duplicated just like the nuclear membrane. Some mitochodria were dividing.

本文叙述感染大菜粉蝶颗粒体病毒后,病虫脂肪体细胞超微结构的改变,大菜粉蝶感染后24小时,病虫脂肪体细胞开始出现明显的病变,整个病程是,在开始时细胞核内出现清晰区并出现病毒发生基质,核膜多点成套增生,其后核膜断裂,大量膜样结构聚集在病毒发生基质的周围,核衣壳大量产生,有一部分核衣壳从这些病毒发生基质四周的膜样结构碎片上获得套膜,荚膜蛋白沉积形成成熟的病毒荚膜,或称包含体;另一部分则排列在胞浆内的空泡边缘上;其余的核衣壳则从细胞边缘“芽突”而获得套膜,另外还描述环孔片层及线粒体改变。

Morphological changes of annulate lamellae during oogenesis in goldfish have been studied. The development of goldfish oocytcs are divided into 5 stages. In every stage, the distribution and arrangement of annulate lamellae have been observed under electron microscope. It was found that as oocytcs are growing, the possibility of annulate lamellae being found and the number of annulate lamellae in a stalk arc increasing gradually. Except in oogonium stage, annulate lamellae frequently appear in the ooplasm distal...

Morphological changes of annulate lamellae during oogenesis in goldfish have been studied. The development of goldfish oocytcs are divided into 5 stages. In every stage, the distribution and arrangement of annulate lamellae have been observed under electron microscope. It was found that as oocytcs are growing, the possibility of annulate lamellae being found and the number of annulate lamellae in a stalk arc increasing gradually. Except in oogonium stage, annulate lamellae frequently appear in the ooplasm distal away from the nucleus. It is noted that pore-associated and interlamellar materials in many instances appear to be associated with polyribosomes. According to the evidence which have been observed, it is proposed that annulate lamellae in goldfish oocytes are probably differentiated from the rough endoplasmic reticulum.

本文研究了环孔片层在金鱼卵母细胞发育过程中的一些形态变化。描述卵母细胞发育的五个阶段中每个阶段环礼片层的分布以及排列的情况。结果表明随着卵母细胞的生长,环孔片层的出现率和每束中片层的数目都逐渐增加。除了在卵原细胞以外,环礼片层一般都分布在远离细胞核的卵质中。尚观察到孔结合物质和片层间物质与多核蛋白体有联系。我们从观察结果推测金鱼卵母细胞的环孔片层可能是由粗面内质网衍生而成。

Using electron microscopy, annulate lamellae in oocytes of P. penicillatus have been investigated. The annulate lamellae usually appear to be emerging in ooplasm at provitellogenic stage and disappearing at vitellogenic stage. The annulate lamellae are consisted of a stack of about 8 lamellae parallelly arranged and interrupted by the presence of many pores about 50-70 nm in diameter. The distance between adjacent lamellae is quite uniform that is about 70nm. The annulate lamellae usually do not have ribosomes...

Using electron microscopy, annulate lamellae in oocytes of P. penicillatus have been investigated. The annulate lamellae usually appear to be emerging in ooplasm at provitellogenic stage and disappearing at vitellogenic stage. The annulate lamellae are consisted of a stack of about 8 lamellae parallelly arranged and interrupted by the presence of many pores about 50-70 nm in diameter. The distance between adjacent lamellae is quite uniform that is about 70nm. The annulate lamellae usually do not have ribosomes attached directly to the outer surface of the membranes. The ends of annulate lamellae are dilated and next to Golgi bodies. Morphologically, it is possible that annulate lamellae are derived from Golgi bodies. The cisternae of Golgi bodies appear to stretch, bring to same level, fuse and form pores in some areas, finally change into annulate lamellae. During vitellogenesis, annulate lamellae appear to differentiate and form into many vesicles that may provide places for the formation of yolk granules.The ralationship between Golgf bodies, annulate lamellae and the formation of yofk granules has been discussed in this paper.

应用电镜技术研究长毛对虾(Penaeus penicillatus)卵母细胞中的环形片层(AL)。AL在卵黄发生前的卵母细胞卵质中出现,在卵黄发生期间消失。AL由8条平行排列,具有50~70 nm 环孔的片层组成。相邻片层之间的距离约为70 nm。AL 通常没有核糖体附在膜片层的外表面。AL末端膨大,与高尔基体毗邻。从形态学上看,AL可能来源于高尔基体;高尔基膜囊伸直、拉平,并局部融合形成环孔,最后演变成AL。卵黄发生期间,AL分化形成为许多囊泡,为卵黄粒的形成提供沉积的场所。本文还讨论高尔基体、AL 及卵黄粒形成之间的关系。

 
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