目的：总结和分析用内漂白方法治疗无髓变色前牙的失败原因。
Objective: To sum up and analysis the causes of failure about treating pulpless and discolored anterior teeth with the method of interior tooth bleaching.
目的：描述无骨折脱位的急性中央型颈髓损伤的临床特点。
Objective: To describe clinical feature of acute central cervical cord injury without fracture and dislocation.
结果神经垂体主要由无髓神经纤维、垂体细胞及富含毛细血管的结缔组织组成。
Results The neurohypophysis was composed of unmyelinated nerve fibres, pituicytes and connective tissue abound in blood capillaries.
结果：神经垂体主要由无髓神经纤维、垂体细胞及富含毛细血管的结缔组织构成。
Result: The neurohypophysis is composed of unmyelinated nerve fibers, pituicytes and connective tissue abound in blood capillaries.
无骨折脱位型颈髓损伤是指没有骨折或脱位的颈部创伤所导致的急性颈脊髓损伤。
The cervical spinal cord injury without fracture and dislocation refers to the acute cervical spinal cord injury induced by cervical trauma without radiographic abnormality.
目的评价对无骨折脱位型颈髓损伤手术治疗的价值。
Objective To evaluate the value of the operation for cervical spine cord injures without fracture or dislocation.
目的比较无骨折脱位型颈髓损伤非手术与手术治疗后，脊髓功能恢复程度的差异。
Objective To compare the difference of function regain level of spinal cord after operative or non-operative treatments of cervical spinal cord injury without fracture dislocation.
脊髓横断组髓磷脂碱性蛋白（MBP）阳性的少突胶质细胞数目的时间及空间分布与正常对照组相比无统计学差异（P>0.05）。
The number of myelin basic protein (MBP) immunopositive oligodendrocytes in SCI groups was not obviously different from that in the control group (P>0.05).
目的：探讨无骨折脱位颈髓损伤的MRI特点及意义。
Purpose: To study MRI significance and characteristic of cervical cord injury without bony injury.
结论辣椒素局部神经干给药能选择性毁损初级传入神经中的无髓纤维，减少CNV区SP含量。
Conclusion Local administration of capsaicin can produce selective destruction of unmyelinated fibers in primary afferent nerves, and can reduce the levels of SP in regions of CNV.
结果：56例无颈椎骨折或脱位的颈髓损伤患者中，48例伤后1周之内接受颈椎CT扫描检查，颈髓病变的检出率为79.17%。
Results:In the 56 patients, 48 cases were finally diagnosed by CT within one week after injury and the positive rate was 79.17%.
对照大鼠海马CA3区多形层内含有大量无髓纤维并见到较少的轴-树突触。
The microstructure of the oriens layer of the CA3 region of the hippocampus in the control animal was composed of lots of unmyelinated fibers and less myelinated fibers under electron microscopy.
并对四倍体刺槐无性系试管苗不定根的发育过程进行了解剖观察，结果表明试管苗嫩梢无潜伏根原基，不定根由诱生根原基发育形成，诱生根原基源于髓射线细胞的分裂和分化。
Latent root primordium was not found in shoots in test tubes. The induced root primordium which originated from the division and differentiation of pith ray cell developed into the adventitious roots.
目的：探讨无骨折脱位型颈髓损伤的诊断及治疗方法。
Objective: To explore diagnosis and treatment of cervical spinal cord injury without fracture and dislocation.
本文就无骨折脱位型颈髓损伤的病因、损伤机制、临床治疗等方面的研究进展作一综述。
This article reviewed the research on the cervical spinal cord injury without fracture and dislocation, including etiopathogensis, mechanism of injury, clinical treatment and so on.
以及产生束外有髓和无髓轴突无规则生长会导致神经纤维错向再生，造成严重的联带运动的不足。
Irregular growth of extrapyramidal myelinated and non-myelinated axons can lead to the fault regeneration of nerve fibers, causing serious shortcomings associated with the movement.
目的：探讨颈椎在无骨折脱位情况下出现颈髓损伤的临床机制。
Objective: To investigate the clinical mechanism of the cervical spinal cord injury without radiographic abnormality (CSCIWRA).
结果雄性和雌性大鼠大脑白质无髓神经纤维总长度均无显著的老年性降低。
Results in the male and female rats, there was no significant decrease in the total length of unmyelinated fibers in white matter of young and aged rats.
结果雄性和雌性大鼠大脑白质无髓神经纤维总长度均无显著的老年性降低。
Results in the male and female rats, there was no significant decrease in the total length of unmyelinated fibers in white matter of young and aged rats.
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