| 词汇 | example_english_nucleus |
| 释义 | Examples of nucleusThese 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. On the definitions in (1a.ii) and (1b.ii), when it appears that a language is counting codas, what in fact is being counted are empty nuclei. To account for these restrictions, we propose that laryngeal features are properties not of segments, but of the onsets, nuclei and codas that dominate them. The caudate nuclei and pallidum are equally involved in these circuits. The irregularity of chromosome separation was displayed as chromosome bridges between daughter nuclei in anaphase and telophase. Lysed cells were centrifuged at 2500 g for 15 min and the pellet containing unbroken cells, nuclei, and kinetoplasts was discarded. Remodeling of mouse thymocyte nuclei depends on the time of their transfer into activated, homologous oocytes. There was a tendency for development to proceed better in embryos carrying homologous as compared with heterologous nuclei. The analytical modelling permits inclusion of other potential feedback loops through nuclei displaying similar characteristics. Notably, these thalamic reductions were localized largely in the segment associated with the paramedian nuclei. By use of phase contrast optics, the borders of the surrounding nuclei could be determined and the numbers of labeled cells within each area defined. Trichinella spiralis : antigenic epitopes from the stichocytes detected in the hypertrophic nuclei and cytoplasm of the parasitized muscle fibre (nurse cell) of the host. The notion of increased random activity or noise in specific thalamic nuclei may explain this apparent paradox. Both empirical fields are represented and controlled by the same objects : filled and empty onsets and nuclei. A puncture mark was made on the contralateral side of the brain to distinguish the injured and non-injured nuclei. In the high temperature limit, the equation of state has the asymptotic behavior of ideal fully ionized plasma consisting of electrons and nuclei. Contribution of high p34cdc2 kinase activity to premature chromosome condensation of injected somatic cell nuclei in rat oocytes. In the present study, furthermore, the injected cumulus nuclei had already changed to condensed chromatin in >70% of oocytes 1-1.5 h after the injection. The vestibular nuclei are a major center for the integration of visual, vestibular, and muscular proprioceptive inputs and may also receive flight-related signals. We are interested in applying these techniques to cases involving nuclei. The heated deuterium and tritium ions in this region fuse to produce a-par ticles helium nuclei!. Current theory suggests that the first step in crystal growth is the formation of nuclei of a critical size in a supersaturated solution. We investigate children's acquisition of simple versus complex nuclei, children's acquisition of codas and the relationship between the two in early phonological development. In every language we have examined, complex nuclei have the same laryngeal contrasts as simplex nuclei. The usual way of representing syllabic consonants relies on their functional status : since they behave like vowels, they are found in nuclei. Our system thus does not necessitate the explicit introduction of moras : their function is already fulfilled by nuclei. Other languages, as argued in 2, allow empty nuclei to remain unexpressed under specific conditions. The third kind of experiments we wish to discuss here involve the stopping of fast highly charged nuclei in metals. Pros is present in the nuclei of all progeny cells in uniform levels. Together, these studies on hypothalamic magnocellular nuclei provide new insights on the contribution of glial cells on neuronal activity. The plots include variants of the 0ay0 nuclei within several contrasting phonological environments,15 in addition to the means of the anchor vowels. Instead, the effect of a front-back contrast between the nuclei of two source syllables was preliminarily observed. The search criteria were applied for stable and long-lived unstable nuclei as well as for isomeric nuclei. The large activity of short-lived nuclei can result in a large release of heat and high radiation dose. The problems are difficult because the reactions of nuclei for fusion need temperatures of at least a few million degrees centigrade. Conversely, if developmental criteria are found to be stronger, then one should explain how the connectivity of these nuclei has changed in evolution. Focal myocardial necrosis, characterized by groups of eosinophilic myocardial fibres with loss of their nuclei, was seen. On the other hand, there were several myocardial cells with pyknotic nuclei in the inflammatory foci. After many attempts to label both nuclei simultaneously, we found that 1.5 days allowed some staining in both nuclei from the appropriate muscles. Above the monoaminergic nuclei in the brain stem (mesencephalic or midbrain region) is the diencephalon. Direct connectivity between subcortical nuclei (vestibular, collicular) and the oculomotor complex exists and these structures could interact independently of the cortex. After forskolin treatment, 80% of the nuclei were in multinucleate cells. Since the subsequent crystallization to form the orbicules only took place around discrete cores, all other pre-existing nuclei must have been removed. Estimates of the critical number of active nuclei for saturation and cavity suppression which agree with experimental results are given. The nuclei of infected cells show eosinophilic nuclear inclusion and marginal nuclear chromatin. The cysts measure 10-15 m in diameter and typically contain four nuclei. Figure 6 shows typical cumulative histograms corresponding to the case of flow thought to be fully seeded with nuclei. At this point, she hypothesized that children had acquired vowel length representation and had access to both mono- and bipositional vowel nuclei. Damaged corticobulbar fibres may denervate lower cranial nerve nuclei and lead to pseudobulbar palsy, resulting in dysarthria and dysphagia. The primary afferent projections of vestibular end organs are distributed to several ipsilateral vestibular nuclei. The frontal lobes and the subcortical nuclei are richly innervated by monoaminergic amines, serotonin and noradrenaline. However, the thalamic lesions in that study were very extensive, involving many nuclei. The largest lesion of the 12 cases removed all of the anterior ventral and anterior dorsal nuclei. The circuitry present in mammals for thalamopallial and reciprocal palliothalamic connections of dorsal thalamic nuclei is absent. Reciprocal projections from pallial regions to dorsal thalamic nuclei are substantially less abundant in sauropsids than they are in mammals. The ventral thalamic region, in which nuclei have not been individually drawn, lies ventral to the dorsal thalamic nuclei in all cases. Calcium-binding protein immunoreactivity delineates the intralaminar nuclei of the thalamus in the human brain. Mutual interactions among cholinergic, noradrenergic and serotonergic neurons studied by iontophoresis of these transmitters in rat brainstem nuclei. The contribution of the anterior thalamic nuclei to anterograde amnesia. Assessing the magnitude of the allocentric spatial deficit associated with complete loss of the anterior thalamic nuclei in rats. Short lasting nicotinic and long-lasting muscarinic depolarizing responses of thalamocortical neurons to stimulation of mesopontine cholinergic nuclei. The sites at which these sensations were produced were concentrated in the very medial and anterior regions, possibly the medial dorsal and periventricular nuclei. However, there are several lines of evidence that suggest a role of the dorsal column nuclei in nociceptive transmission. In some later studies, however, retinal projections to the pretectum were extended to include both the anterior and medial pretectal nuclei. Sparse but widespread retinal projections were apparent in other hypothalamic nuclei situated nearby. Effect of timing of oocyte activation on rat cloning using neural stem cell nuclei (abstract). Production of identical sextuplet mice by transferring metaphase nuclei from 4-cell embryos. Embryonic stem cells generated by nuclear transfer of human somatic nuclei into rabbit oocytes. The most likely reason is insufficient reprogramming of the donor nuclei. A cytoplasmic mass, full of mitochondria, vacuoles, ribosomes, endomembrane nets and euchromatic nuclei, indicated a high metabolic activity. In both nuclei, the foci of label were located in the most ventral por tions. The size of germinal cells and the general appearance of the nuclei are similar in the two species. One hundred nuclei were scored for signal pattern for each layer. The data indicate that the nuclei were resistant to freeze-drying. We wanted to find out whether such treatment affects the ability of the egg to complete the meiosis and to transform nuclei of spermatozoa. The majority of these 2-cell embryos contained morphologically normal, presumably triploid nuclei; three of them contained also micronuclei. We observed a striking arrest of nearly 100% of the nuclei in the deep cell layer. Blastocysts were obtained from zygotes constructed with nuclei of these cells in 8-12% of cases depending on the source of the nuclei. In some nuclei, constrictions appeared across the long axis. In addition to mosaicism, 14% (9/63) of the embryos contained at least one cell with two nuclei, and may also be considered mosaics. They showed either two, three or four fluorescing vesicular nuclei in as many blastomeres. In the present study, we injected spermatid nuclei and oscillogen simultaneously. The daughter nuclei (d) are widely separated from one another. In 5-10% of the oocytes fused with spermatids, spermatid nuclei developed into large pronuclei comparable in size to the female pronuclei. Transfer of nuclei from 1-cell stage mouse embryos following use of nocodazole to control the cell cycle. Changes in embryonic 8-cell nuclei transferred by means of cell fusion to mouse eggs. Only in about 5% of zygotes evaluated were we unable to detect replicating nuclei at all. Large nuclei contained bulky heterochromatin aggregates and distinct nucleoli. The number of nuclei between the cephalic space and nerve ring of the former type is also significantly less than the latter type. Subsequently, the primitive epithelium is shed by the embryos and the nuclei in the embryonic tegument undergo pyknotic degeneration. Parenchymatous cells that turned into sclereids included prominent nuclei and dense cytoplasm, although their walls were thick and showed distinct pit fields (fig. 9). All cells look turgid, and organelles, including the nuclei, are clearly visible. When only 16-18% of the total water is lost, there is a reduction of 70-80% in the nuclei that will incorporate thymidine. The number of nuclei used for each determination was about 10,000. The probability of measuring scattered neutrons is dependent upon constructive interference of scattered waves from nuclei located at certain positions in space and time. Although some nuclei were disrupted, releasing chromatin that spread in the field, this did not interfere with the fractionation yield. One or 2 nuclei could also be observed. Attempts to obtain a better purification of nuclei and mitochondria have not been made at this stage. In the latter the germinative zone led into a region in which all oocyte nuclei were at interphase. The lymph fluid comprised an amorphous, proteinaceous lipid-rich matrix, containing nuclei, complexes of endoplasmic reticulum and variously sized granules. 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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