查询词典 posterior pereion

The corpus callosum is not isible in the standard transerse iews of the brain but agenesis of the corpus callosum may be suspected by the absence of the caum septum pellucidum and the 'teardrop' configuration of the lateral entricles (enlargement of the posterior horns).

诊断：正常在脑的标准横切面上看不到胼胝体，通常通过透明隔腔小时和侧脑室的泪滴状改变怀疑有胼胝体的发育不良，确诊胼胝体发育不良需要在正中冠状面和正中矢状面上，一般需要做阴道B超显示。

After posterior lumbar instrumented fusion, radiographic changes suggesting disc degeneration appear homogeneously at several levels cephalad to fusion and seem to be determined by individual characteristics.

使用器械的后路脊柱融合术后，X线摄片改变提示靠近融合节段的近端的的几个相邻节段都会发生退行性改变，这种改变可能与个体因素有关。。

After posterior lumbar instrumented fusion, radiographic changes suggesting disc degeneration appear homogeneously at seeral leels cephalad to fusion and seem to be determined by indiidual characteristics.

使用器械的后路脊柱融合术后，X线摄片改变提示靠近融合节段的近端的的几个相邻节段都会发生退行性改变，这种改变可能与个体因素有关。。

Methods: Posterior atlanto-occipital transarticular Kirschner wire implantation was performed under visual control on 30 dried bony specimens that contained complete atlanto-occipital articulation ,and cephalocaudal and lateral X-rays were taken, on which the angle and the length of the screw trajectory were measured.

30例含完整寰枕关节干燥骨性标本，直视下行后路寰枕关节经关节克氏针植入后行X线摄片，在X线片上测量寰枕关节经关节螺钉固定的钉道角度和长度。

The using of cephalogram is limited because of the structure overlapping of the skull, jaw and teeth, for example the overlapping of the right side teeth and the left side make it difficult to distinguish the landmarks of posterior teeth.

颅颌骨牙齿之间影像的重叠使头颅定位x线片的应用受到了限制，比如牙列的重叠使后牙区的标志点难以辨认，所以对牙列的研究要借助牙〓模型。

Methods A total of 28 cases, including 12 basilar artery tip aneurysms, 7 basilar artery aneurysms, 6 vertebral artery aneurysms, 3 posterior-inferior cerebella artery aneurysms which were treated with endovascular technique were analyzed retrospectively.

方法回顾分析28例椎一基底动脉系统动脉瘤行血管内治疗病例，其中，基底动脉顶端动脉瘤l2例；基底动脉主干动脉瘤7 例；椎动脉瘤6例；小脑后下动脉瘤3例。

Objective To investigate the clinical feature, differential diagnosis and treatment of posterior inferior cerebellar aneurysms.

目的探讨小脑后下动脉动脉瘤的临床特征、诊断、鉴别诊断和治疗。

Several instrumentation systems are available for posterior spinal stabilization across the cervicothoracic junction.

有数种装置系统可供选择用于后路跨越颈胸段脊柱的稳定。

Study Design: Biomechanical comparison of five different posterior cervicothoracic junction (C7–T1) fixation constructs in a cadaveric model.

研究设计：在尸体标本上比较五种不同的颈胸联合处（C7－T1）固定系统的生物力学性能

Methods Among the three cases of cervicothoracic spinal cord compression,two were diagnosed as ossification of the posterior longitudinal ligament and one as fracture of the thoracic spine.

3例颈胸段脊髓压迫症中，2例为后纵韧带骨化，1例为胸椎骨折。

You think you're a big shot.

你认为你是一个大人物？

All states are equal, and none can receive special treatment from the federal government.

所有的州都是平等的，任何州都不能获得联邦政府的特别待遇。