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dentate nucleus
相关语句
  齿状核
     The coordinates of the dentate nucleus target to Z is -5mm, to Y is -3mm, and to X is 11mm.
     齿状核靶心的三度空间座标为X=11mm,Y=-3mm,Z=-5mm。
短句来源
     Results The locations of all cases were putamen(10/11),thalamus(9/11),caudate mucleus(9/11),globus pallidum(8/11),periaqueductal greymatter(6/11),pons(6/11),dentate nucleus(5/11).
     结果  11例中 ,病灶累及的部位为壳核 (10 / 11)、丘脑(9/ 11)、尾状核 (9/ 11)、苍白球 (8/ 11)、导水管周围灰质 (6 / 11)、桥脑 (6 / 11)、齿状核 (5 / 11)。
短句来源
     CT scans showed bilateral symmetrical hypodensity foci in lenticular (5/7), head of caudate nucleus (4/7) ,thalamus (2/7) and dentate nucleus (1/7).
     脑CT显示:双侧豆状棱(5/7)、尾状棱头部(4/7)、丘脑(2/7)及齿状核(1/7)对称性低密度区和与年龄不相符的脑萎缩。
短句来源
     Participants:Forty-eight male Wistar rats were randomly allo cated into ischemic-reperfusion group(I/R),sham-operation group(I/R'),dentate nucleus(DN) stimulation I/R group(I/RDN),and FN stimulation I/R group(I/RFN),in which I/RDN and I/RFN groups were divided into three subgroups respectively of 1 ,4 and 7-day pre-ischemic stimulation subgroups.
     Wistar雄性大鼠48只,随机将动物分为单纯缺血再灌注组(I/R),假手术组(I/R'),刺激小脑齿状核(dentatenucleus,DN)I/R组(I/RDN),刺激小脑FNI/R组(I/RFN); 其中I/RDN,I/RFN又分别分为3组:缺血前1,4,7d刺激。
短句来源
     Results the primary MR findings were long T1/T2 signal intensity with less frequence of short T2 signal intensity at involved areas which included putamen 100% , globus pallidus 92.3% , thalamus 46% , red nucleus 76.9% , substantia nigra 16.9% , ports 16. 6% and dentate nucleus 23 % . FLAIR was the best sequence to demonstrate the involved areas.
     结果 MR主要表现为铜沉积所致的长T1/长T2信号,短T2信号出现较少。 发病部位依次为:壳核100%,苍白球92.3%,红核,黑质76.9%,丘脑46%,脑桥16.6%,齿状核23%,FLAIR为最佳显示序列。
短句来源
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  齿状核
     The coordinates of the dentate nucleus target to Z is -5mm, to Y is -3mm, and to X is 11mm.
     齿状核靶心的三度空间座标为X=11mm,Y=-3mm,Z=-5mm。
短句来源
     Results The locations of all cases were putamen(10/11),thalamus(9/11),caudate mucleus(9/11),globus pallidum(8/11),periaqueductal greymatter(6/11),pons(6/11),dentate nucleus(5/11).
     结果  11例中 ,病灶累及的部位为壳核 (10 / 11)、丘脑(9/ 11)、尾状核 (9/ 11)、苍白球 (8/ 11)、导水管周围灰质 (6 / 11)、桥脑 (6 / 11)、齿状核 (5 / 11)。
短句来源
     CT scans showed bilateral symmetrical hypodensity foci in lenticular (5/7), head of caudate nucleus (4/7) ,thalamus (2/7) and dentate nucleus (1/7).
     脑CT显示:双侧豆状棱(5/7)、尾状棱头部(4/7)、丘脑(2/7)及齿状核(1/7)对称性低密度区和与年龄不相符的脑萎缩。
短句来源
     Participants:Forty-eight male Wistar rats were randomly allo cated into ischemic-reperfusion group(I/R),sham-operation group(I/R'),dentate nucleus(DN) stimulation I/R group(I/RDN),and FN stimulation I/R group(I/RFN),in which I/RDN and I/RFN groups were divided into three subgroups respectively of 1 ,4 and 7-day pre-ischemic stimulation subgroups.
     Wistar雄性大鼠48只,随机将动物分为单纯缺血再灌注组(I/R),假手术组(I/R'),刺激小脑齿状核(dentatenucleus,DN)I/R组(I/RDN),刺激小脑FNI/R组(I/RFN); 其中I/RDN,I/RFN又分别分为3组:缺血前1,4,7d刺激。
短句来源
     Results the primary MR findings were long T1/T2 signal intensity with less frequence of short T2 signal intensity at involved areas which included putamen 100% , globus pallidus 92.3% , thalamus 46% , red nucleus 76.9% , substantia nigra 16.9% , ports 16. 6% and dentate nucleus 23 % . FLAIR was the best sequence to demonstrate the involved areas.
     结果 MR主要表现为铜沉积所致的长T1/长T2信号,短T2信号出现较少。 发病部位依次为:壳核100%,苍白球92.3%,红核,黑质76.9%,丘脑46%,脑桥16.6%,齿状核23%,FLAIR为最佳显示序列。
短句来源
更多       
  “dentate nucleus”译为未确定词的双语例句
     The distance between the anterior and posterior extremity of the dentate nucleus is 16mm, 3mm of which is anterior and 13mm posterior to FO.
     13mm位于FO平面后方;
短句来源
     The globus pallidus 88.8%,then udeus ruber 77.7%,the black substance 77.7%,the thalami 66.6%,the dentate nucleus 33.3%,the pons 22.2%.
     苍白球 88.8% ; 红核 77.7% ;
短句来源
     The trigemino-cerebellar projections of the rats were studied by introducing HRP microelectrophoretically in to various deep icerebellar nuclei (dentate nucleus, ND; interpositus nucleus, anterior part, NIA; interpositus nucleus, posterior part, NIP; fastigial nucleus, NF).
     本实验用微电泳方法将HRP分别导入20只大白鼠的小脑核,研究三叉神经各核至小脑核的纤维投射。
短句来源
     The pseudo stimulated rats and the cerebral dentate nucleus(DN) stimulation rats were taken as control. In 0 h after FN stimulaition, the expression of HSP70 in contralateral somatosensory cortex and basal ganglia was not changed.
     一侧电刺激FN后即刻 ,对侧感觉皮质及基底节HSP70表达无明显变化 (P >0 .0 5 ) ,而 1d后HSP70表达显著增高 (P <0 .0 1) ;
短句来源
     Sham stimulation rats and cerebral dentate nucleus (DN) stimulation rats were used as the control.
     并设立假刺激组及小脑顶核(DN)刺激组作为对照。
短句来源
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  dentate nucleus
The effects of short reversible cooling of the dentate nucleus in two groups of 3 and 4 cebus monkeys, with two different types of ipsilateral elbow movements, have been studied.
      
This degeneration is usually secondary to a primary lesion located either in the ipsilateral (to the hypertrophied olive) central tegmental tract or in the contralateral dentate nucleus.
      
To link these data, Trelles (1935, 1943) suggested a dentato-olivary pathway from the dentate nucleus to the contralateral inferior olive via the superior cerebellar peduncle and the central tegmental tract after crossing the midline.
      
The red nucleus, the dentate nucleus and the zona reticularis of the substantia nigra showed iron depigmentation.
      
This study thirdly demonstrates that lesions of the cerebellar cortex without involvement of the dentate nucleus can cause dysarthric impairment.
      
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Having examined the sectioned and stained brain material of the representatives ofthe main orders of the mammalian class, I recognize three routes by which the mesen-cephalic nucleus of the trigeminal nerve in the broad sense is connected to the cerebellum. Through the anterior medullary velum, these sensory ganglionic cells attain to thecerebellar basis, the roof plate of the fourth ventricle, the fastigial nucleus and the cortexof the nodulus. Rostrally the cells of this nucleus are deeply stationed in the...

Having examined the sectioned and stained brain material of the representatives ofthe main orders of the mammalian class, I recognize three routes by which the mesen-cephalic nucleus of the trigeminal nerve in the broad sense is connected to the cerebellum. Through the anterior medullary velum, these sensory ganglionic cells attain to thecerebellar basis, the roof plate of the fourth ventricle, the fastigial nucleus and the cortexof the nodulus. Rostrally the cells of this nucleus are deeply stationed in the side-wall of the fourthventricle; their central processes course posteriorly along the outer margin of the centralgray matter. The fibers from the main nucleus sweep dorsally around into the fastigialnucleus and the cerebellar medulla; and a few sensory cells strewn along this route. Suchsensory cells may also migrate into the cerebellum in company with the nucleus coeruleusand possibly also with the brachium conjunctivum. Through the medial, lateral and possibly superior vestibular nuclei the cells of themesencephalic nucleus are scattered along to the cerebellum, its dentate nucleus in parti-cular. Besides the trigeminal nerve, the mesencephalic nucleus is also related to the oculo-motor, trochlear, abducent, facial, glossopharyngeal and vagal nerves, their motor nucleiand the reticular formation of the medulla oblongata. It is neither affiliated specifically tothe trigeminus nor confined to the midbrain. The "mesencephalic nucleus of the trige-minus" is thus a long misnomer. Collectively it is a rarefied group of primary sensorycells oddly inclosed in the central nervous system. These centrally situated sensory cells conduct proprioceptive and exteroceptive impu-lses chiefly from the jaw muscles and the associated skin and mucous membrane. Theirconnections with the cerebellum afford the latter with the necessary afferent data for itscoordination of the feeding activity in progress. Besides, these sensory cells are appar-ently concerned also with the regulation of the movements of the eye, ear, nose, mouth,pharynx and larynx and possibly of the neck. There exist on the cerebellar cortex proprioceptive and exteroceptive projection fieldsfor the head region; this physiological finding gains some morphological support fromwhat has been elucidated in the present study.

我观察了哺乳纲主要各目的代表动物的脑切片,认定广义的三叉神经中脑核由三个路线连接小脑。这群感觉细胞通过前髓帆到达小脑基部、第四脑室的顶板,顶核以及蚓小结的皮貭。在上端,中脑核细胞深在第四脑室的旁壁;它们的中枢突起靠中央灰貭外缘纵行向后伸展。有些细胞可随着蓝斑、也可能连同结合臂进入小脑。中脑核主部的纤维经脑室旁壁向背侧弯行,直入顶核和小脑的髓貭;也有少数细胞沿此路綫散在。中脑核细胞可经前庭内侧、外侧和(可能)上核散入小脑,特是齿状核。除三叉神经外,中脑核细胞也连接动眼、滑车、外展、面、舌咽和迷走神经,它们的运动(和感觉)核团,以及延髓的网状结构。据此,“三叉神经中脑核”是一个误称。它不专属三叉神经,也不局于中脑地区。它实是散处脑干内部的一群一级的感觉细胞。这一系感觉细胞传导自受的和外受的神经冲动,这起于咀咬肌和连属的皮肤和粘膜。它们连接小脑,供给它必要的求心资料,以便它协调正在执行的进食动作。此外,它们似也调节眼肌、面肌、咽喉肌、甚至颈肌的运动。小脑皮质上有头颈部的自受和外受系的投射地区;本文阐述的事实给这个生理的发现若干形态的根据。

From 32 rhesus monkeys the vermis cerebelli and the portion containing the dentate nucleus were fixed in 10% formalin.The animals of both sexes were divided into 4 age groups according to their dental status.Paraffin sections as well as frozen sections were prepared.The Purkinje cells per unit area of the cortex were estimated on sec- tions stained with methyl green and pyronin.With advancing of age the numbers of the Purkinje cells decreased gradually,with an average reduction from 1391 to 1065 in the...

From 32 rhesus monkeys the vermis cerebelli and the portion containing the dentate nucleus were fixed in 10% formalin.The animals of both sexes were divided into 4 age groups according to their dental status.Paraffin sections as well as frozen sections were prepared.The Purkinje cells per unit area of the cortex were estimated on sec- tions stained with methyl green and pyronin.With advancing of age the numbers of the Purkinje cells decreased gradually,with an average reduction from 1391 to 1065 in the males and from 1203 to 1108 in the females.Histochemically the lipofuscin pigments differed from melanin and hemosiderin.They were almost insoluble in fat solvents,readily stained by Sudan black B,and were PAS-positive.The pigments in group Ⅳ usually appeared acidfast with the long Ziehl-Neelsen method,while those in the younger age groups were stained poorly or not at all.With Schmorl's ferricyanide method,only the pigments in the Purkinje cells of group Ⅳ reacted positively.Theese characteristics indicated that the pigments belonged to the ceroid-type lipofuscin as des- cribed by Pearse (1960).The magnitude of the pigments in both types of cells was es- timated in the Sudan black B-stained sections.In both sexes the numbers of pigmented cells and the cells with higher grades of pigmentation were found to be increased con- comitantly with the increase of age.The difference were statistically significant.The pigments of Purkinje cells were more or less uniform in size and accumulated lateral to or above the nuclei.The pigments in the neurons of dentate nucleus varied in size and distribution in the cytoplasm.In both types of the cells pigments were found occasion- ally in the dendrites.

用狝猴32只,分雌雄两批,按齿序情况分为4个年龄组。取小脑蚓体及含齿状核的部分,用10%福尔马林固定,作石蜡切片及少量冰冻切片。在甲绿(口派)啷咛染色的切片止, 计算了蚓体局部皮质内单位面积上的浦肯野细胞的数量,随年龄增加浦肯野细胞数递减。在雄性平均值由1391减至1065,在雌性由1203减至1108。用组织化学方法证明齿状核神经元及浦肯野细胞内的色素不是黑素或含铁血黄素,几乎不被脂溶剂溶解,易染苏丹黑,PAS反应阳性。用Ziehl-Neelsen长法染色第Ⅳ年龄组普遍有抗酸性,低年龄组反应较弱,成为阴性。对Schmorl氏铁氰化物,仅第Ⅳ组浦肯野细胞内色素呈阳性反应。这些性质表明色素为Pearse所描述的类蜡型脂褐素。在苏丹黑染色切片上,将两类细胞的脂褐素含量分别确定等极,计算了各年龄组内含各级色素的细胞所占百分数。在雌雄两性,含色素的细胞数,及色素合量高的细胞数,均随年龄增进而加多。这些数据经统计学分析,证明差异显著。在浦肯野细胞内色素大致均匀,分布多集中于胞核两侧或上端;在齿状核细胞内色素大小与分布很不一致,两类细胞中均可偶见分布到树突中的色素。

HRP was injected into: (1) areas 4,6 of unilateral cortex of 2 rats, and (2) unilateral ventral nuclei of 12 rats in order to study the connections of the thalamic VL and the distribution of the cells of origin. The main results are as follows:1. Following injection of the solution of HRP into areas 4,6 of unilateral cortex, labeled neurons appeared in the ipsilateral VL. This result indicates that the thalamic VL sends fibers to areas 4,6 of the cortex.Following injection of HRP into the thalamic VL, a number...

HRP was injected into: (1) areas 4,6 of unilateral cortex of 2 rats, and (2) unilateral ventral nuclei of 12 rats in order to study the connections of the thalamic VL and the distribution of the cells of origin. The main results are as follows:1. Following injection of the solution of HRP into areas 4,6 of unilateral cortex, labeled neurons appeared in the ipsilateral VL. This result indicates that the thalamic VL sends fibers to areas 4,6 of the cortex.Following injection of HRP into the thalamic VL, a number of labeled neurons were present in areas 4,6 and 3, 1, 2 of ipsilateral cortex. They were situated in the deep lamina of the cortex. The reciprocal connections between the thalamic VL and the cortex may imply the existence of a feedback system.2. In the medial part of the ipsilateral pallidus, labeled neurons could be found after the injection of HRP into VL. This is the indication of the presence of a globus-thalamic VL pathway in the rat. There were a set of labeled neurons in the ipsilateral reticular zone of the substantia nigra. So experimental results show the possibility of the existence of a nigrothalamic tract. It arises from the reticukr zone of the substantia nigra. Many labeled neurons were found in the dentate nucleus of the contralateral hemisphere of cerebellum. This demonstrates that projections of the dentate nucleus into the VL are strong. Labeled neurons were identified in the contralateral fastigial nucleus and nucleus interpositus of cerebellum. It is suggested that a pathway may be present between the fastigial nucleus and thalamic VL in the rat.From the above it becomes apparent that the thalamic VL is a common target of the projections of the cerebellum, substantia nigra and globus pallidus. Here occurs a convergence with a functional relationship among their fibers.

将HRP注入:(1)2只大白鼠一侧皮质的4、6区和(2)12只大白鼠一侧丘脑VL核,利用神经纤维轴浆运输的原理,研究丘脑腹外侧核的纤维连系和标记神经元的分布。研究的主要结果; 1.对一侧大脑皮质的4、6区注射HRP后,同侧丘脑VL核出现了标记神经元,这结果说明VL核传出纤维主要投射至4、6区。在VL核注射HRP后,标记神经元出现于同侧皮质的4、6区和3、1、2区,位于皮质的深层。丘脑VL核与皮质之间的这种往返纤维联系提示,在它们之间可能存在着一反馈系统。 2.给丘脑VL核注射HRP后,同侧的苍白球内侧部,可发现标记神经元,证明苍白球——丘脑通路存在。同侧的黑质网状带出现一组标记神经元,说明黑质丘脑通路存在,该通路起于黑质的网状带。许多标记神经元存在于对侧小脑齿状核,此可证明,大白鼠的小脑齿状核投射至丘脑VL核的纤维是强大的。在对侧的小脑顶核和间位核可找见标记神经元,提示顶核有纤维投射至丘脑VL核。由此可见,丘脑VL是小脑、黑质、 苍白球和皮质投射纤维的公共靶,在此,它们的纤维之间必然构成具有功能关系的会聚。

 
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