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译作欣赏~【医学】【中文翻译英文】【初稿】

作者:硕博翻译社   加入时间:2011-3-7   点击次数::1996

【医学】【中文翻译英文】【初稿未校稿】
The lateral cerebellar hemispheres (cerebrocerebellum;A, yellow) store programs for voluntary movements (manual dexterity). (→A1) In voluntary movements, associative cortical areas (→A1) activate, via pontine nuclei(→A2), neurons in the hemispheres (→A3)whose efferent impulses (orange) project, via the dentate nucleus (→A4) and thalamus(→A5), to the motor cortex (→A5). From here spinal motoneurons are activated via the pyramidal tract (violet). Lesions in the hemispheres or in structures connected with them thus impair initiation and planning of movements.The intermediate part of the hemisphere(spinocerebellum, light blue) is mainly responsible for the control of movement. Via spinocerebellar afferents (blue) it receives information about the state of the motor apparatus. Neurons of the spinocerebellum project to the red nucleus (→A9) and thalamus via the nuclei emboliformis and globosus (→A8). Spinal motoneurons are influenced by the red nucleus via the rubrospinal tract and by the thalamus via the motor cortex and the pyramidal tract. Disorders of the spinocerebellum impair the execution and control of voluntary movements.The neurons of this part of the cerebellum project directly to the vestibular nucleus (→A11) as well as via the nuclei fastigii (→A12) to the thalamus, to the reticular formation (→A13),and to the contralateral vestibular nucleus (→A14). Spinal motoneurons receive impulses via the vestibulospinal and reticulospinal tracts, via the thalamocortical and corticospinal tracts. Lesions in the flocculus, nodulus,and vermis mainly affect balance and body posture as well as the muscles of the trunk and face.


侧生小脑半球(皮层小脑;A,黄色区域)负责存储随意运动程序(手灵巧度)。 (→A1)在随意运动中,通过在(→A3)脑半球的神经元和神经核启动相关的皮质区,脑半球的传出冲动通过齿状核和丘脑到达运动神经皮层。脊椎运动神经元被锥体束(紫色区域)所启动。脑半球或与之相连的结构损伤可导致自主和规划运动的减弱。脑半球的中部(脊髓小脑,亮蓝色)主要负责控制运动。通过脊髓小脑的传入(蓝色)它接收到传感器的信息刺激。脊髓小脑神经元通过栓状核和球状核(→A8)伸展到红核(→A9)和丘脑,脊椎运动神经元被红核通过红核脊髓束以及运动神经皮层通过锥体束影响。脊髓小脑功能紊乱会减弱机体对随意运动的控制和执行。小脑中该部分的神经元直接伸展到前庭神经核(→A11),同时还通过顶核(→A12)到达丘脑和网状结构(→A13),到达对侧的前庭神经核(→A14)。脊髓运动神经元通过前庭脊髓束和网状脊髓束以及丘脑-皮层和皮质脊髓束接收冲动,绒球、小结和小脑蚓的损伤主要影响平衡感和机体的体位以及躯干和面部的肌肉。


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