| 词汇 | example_english_filament |
| 释义 | Examples of filamentThese examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. Within this region, the anchoring filaments traverse the electron-translucent zone ('lamina lucida') and connect hemidesmosomes to the electron-dense zone ('lamina densa'). Both the strata and filaments are distant from each other by plasma regions of the same scales, but with decreased density and temperature. Around these filaments, or vortices, the superconducting properties are partially destroyed. However, using a low-density target material might significantly increase the diameter of the filaments and allow their detection by optical imaging. Could a highly complex network of filaments and knots such as this represent a frozen message? Many filaments are visible on the right side of the figure. We are told that its carriages are made of protein filaments one-thousandth the diameter of a human hair. The vimentin filaments formed were only short and, furthermore, were only loosely associated. The properties of the filaments look unchanged even with the change of flow pattern from a twin vortex to a single vortex along the finger. The pure-electron plasmas are generated by hot filaments and trapped in a grounded cylinder. In the next section we shall investigate the dynamics of these quasistationary filaments due to current-current interaction. The numerical simulations give an idea about which types of filaments and interactions are possible. The maximum intensity of electron plasma wave filaments gets enhanced by a factor of about 1.8 in comparison to relativistic case. The mucus and gill filaments were used for the experiment. The first, "fast" homogenization stage lasts up to the moment of the collision of plasmas flowing from neighboring filaments. A second class of questions addresses the physical properties and structure of plasma filaments. However, it is more likely that globular iron oxides would form irregular clusters, as elsewhere throughout the samples, than filaments. The nuclear lamina is a meshwork of intermediatetype filaments. The number of overlap zones is determined by the number of points at which actin filaments emanate from the plasma membrane. The amount of actin filaments was prominent at hatching embryos compared with other developmental stages of embryos. The cytochalasins are fungal products that prevent actin from polymerising by binding to the plus end of the filaments. The leading edge of a moving cell contains actin filaments that are continually polymerising. Cytokeratin filaments are present in golden hamster oocytes and early embryos. The white zone, found in each of the samples, comprised fungal hyphae filaments forming loose woolly webs around crystals of the substrate. However, both disordered terminal regions cannot be completely removed simultaneously without losing the ability to form the filaments. I n general, those features of the pattern which indicate the nature of the steady airflow may be distinguished by their long, thin, continuous filaments. Note the rapid oscillation of the basic flow and the ferocity with which filaments are torn from the vortex. The filaments of dye connecting the vortices together are now only remnants and no longer mark active motions. Eventually viscous effects will dominate in these filaments, no matter how small the viscosity is, and enstrophy will be destroyed. We shall examine the translationally invariant knotted filaments as well as those which are not invariant. The cytoskeleton is composed of actin thin filaments, intermediate filaments and microtubules. Cryptic when feeding, but presence on leaves indicated by patches of broken white wax filaments secreted by the compound pores. In (a) the cross-sectional organization of the filaments is represented (inset). To make silk, the filaments from several cocoons are unwound and reeled together, resulting in fibres of extraordinary strength. In rare cases, breaking up of the filaments at the rear of the foam was observed. The similar behavior of plasma can be expected under illumination of agar filaments. Generally, the cytoplasmic intermediate filaments are approximately radially distributed in the cell and so link the cell membrane to the cell nucleus. The filaments appeared to be approximately circular in cross-section and had diameters of about 7-8 nm. An essential cytoskeletal linker protein connecting actin microfilaments to intermediate filaments. The process is completely reversible : withdrawal of the peptides restores filaments and their elaborate cytoplasmic arrays within an hour. However, considerable portions of the head domains are required for the higher-order levels of assembly of molecules into filaments. Flagellar filaments form a bundle during straight swimming, but the bundle falls apart upon reversed rotation of the motors, which causes the cell to tumble. Both methods take the advantage of the straight form of the filaments and their well-defined helical symmetries. Their data too are consistent with 32 chains in section for both vimentin and glial fibrillary acidic protein intermediate filaments. The existence or otherwise of subfibrillar structure of intermediate filaments has remained a controversial topic. Of course, such a conclusion is also the only one compatible with molecules about 45 nm long constituting filaments only 10 nm in diameter. Conservation of the structure of keratin intermediate filaments : molecular mechanism by which different keratin molecules integrate into preexisting keratin intermediate filaments during differentiation. Naturally, the limited data available allow less confidence in the conclusions than was possible for the other intermediate filaments that were studied. The expected axial repeat in vimentin intermediate filaments would be about 22n1 nm. Tailless keratins assemble into regular intermediate filaments in vitro. Assembly of vimentin in vitro and its implications concerning the structure of intermediate filaments. Subsequently, dense plasma filaments, 1-3 mm in diameter, parallel to the liner axis occurred. The laser light in the filaments can reach high intensities and generate efficiently jets of hot electrons, with random orientation. In these filaments, the laser beam intensity is very intense and plasma density is also changed due to ponderomotive force. Both sequence recognition and strand exchange are performed within long helical polymeric filaments formed by monomers of the recombination proteins. The filaments themselves are usually only a couple of micrometres wide. The globules are seldom mistaken for filamentous structures but the globules that are the building blocks of non-carbonaceous filaments are similar in appearance. Several circumstances concerning the appearence of the filaments point in the direction of microbial involvement in iron oxidation. The filaments are also closely associated with globular iron oxides both in their close vicinity and deposited onto the surfaces of the filaments. The muscle fibres consist of thick and thin filaments measuring 25 nm and 8 nm in diameter respectively. All classes of intermediate filaments share a common antigenic determinant defined by a monoclonal antibody. Actin filaments around spermatozoa heads were observed in only 4 oocytes and microfilaments around pronuclei were observed in only 8 oocytes. Therefore, in this study we tested the role of actin filaments and actin-mediated movement during hatching. Firstly, it could serve to directly recruit and organize actin filaments in the blastodisc cortex along an arc where the furrow will subsequently form. Two filaments with antiparallel currents repel each other. The temperature peaks observed in the above experiments are called 'hot filaments'. If the laser field is more than the critical field, intense regions of the beam results, termed as filaments or hot spots. Although the optimal conditions for re-assembly vary somewhat, no co-factors are required, which has thereby rendered intermediate filaments particularly simple to study biochemically. Many years later intermediate filaments were also observed in various cell types. The first intermediate filaments studied at the molecular level were those from wool and quill hard -keratin. Structure of fibroblastic intermediate filaments : analysis by scanning transmission electron microscopy. The importance of intramolecular ion pairing in intermediate filaments. Using all of the extended data, a more highly refined set of parameters has now been calculated for vimentin intermediate filaments. Experimentally, it is a technique with the capability of allowing the mass per unit length of the filaments to be determined. In so doing, they have observed functional analogues to some of the cytoplasmic intermediate filaments but certainly not to all of them. By negative staining these filaments are morphologically similar to vimentin although they appear much smoother and lack any obvious axial beading. Such observations provide evidence on the important role of intermediate filaments in determination of the mechanical properties and shape of cells. The filaments were directed backwards and to some extent intertwined. The shape, size and characteristics of the filaments are different in each species. The stretching and tilting of vortex filaments and their viscous diffusion are accounted for in the vorticity transport equation. The short filaments are usually straight and have a much stiffer appearance than carbonaceous filaments. The non-carbonaceous filaments appear to have no internal morphology in comparison to the sometimes quite complex internal morphology of the carbonaceous filaments. Variations in thickness are usually due to different thicknesses of the deposited iron oxides onto the filaments. Non-carbonaceous filaments seldom exceed 30 mm in length while carbonaceous filaments can reach up to y100 mm in length. The iron oxides observed on the fossilized filaments have iron contents similar to the iron contents of the filaments. The morphology of tau filaments varies depending upon the isoform composition of tau. They arise late in a culture's history apparently from filaments shed from large mature structures. Such filaments twist as they elongate, writhe, and eventually touch themselves. Note the high density of actin filaments (cytoskeleton) in the spine. Calcium ions must bind to the muscle fibres in order to allow cross-bridges between the thick and thin filaments to be formed. They are attached to the vein walls and embedded in carbonates just like the carbonaceous filaments. They are in the same size range as the carbonaceous filaments except in length. Young filaments subsequently give rise to mature filaments. The top panel shows morphology of the filaments and the bottom panel shows the subunit arrangements within a short segment. The helical symmetries of these filaments are the same irrespective of the original flagellin species. The cytoskeleton is made up of actin filaments, microtubules, and intermediate filaments. Tau filaments from human brain and from in vitro assembly of recombinant protein show cross-b structure. They are the microtubules, the actincontaining microfilaments and the intermediate filaments. The intermediate filaments, as a general class of structures, are not cellular entities confined to the vertebrates: they are also found widely in invertebrates. They showed that the deletion of the head domain prevented the formation of intermediate filaments. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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