有髓神经纤维

伤后30天，损伤神经近、远端和中段神经均可看到再生的有髓神经纤维；

Myelinated nerve fiber was found in the proximal , middle and distal segment after 30 days .

远端胫神经内出现大量的有髓神经纤维；

A multitude of myelinated nerve fiber occurred at the tibial nerve at the distal part .

以上各组神经纤维轴突直径，神经纤维直径以及它们之间的比值均与正常坐骨神经内有髓神经纤维相似（P＞0.05）。

The axon diameter , fiber diameter and their ratio of the above groups were similar to normal nerve fibers ( P > 0.05 ) .

组的胫前肌恢复率和单位面积再生有髓神经纤维数目比较，无显著性差异（P＞0.05）。

But , no statistics difference between group A and B in wet weight of tibialisanterior muscle and density of the myelinated axons ( P > 0.05 ) .

结果：B组的小腿三头肌湿重恢复率、运动神经传导速度、再生的有髓神经纤维数量、直径、轴突直径、髓鞘厚度均优于A组。

Results : At 6 months following operation , nerve regeneration in group B was superior to that of group A in triceps weight , nerve conduct velocity and nerve morphology .

有髓神经纤维长入S1，无髓神经纤维长入S3。术后3周无髓纤维通过再生室，有髓纤维长入S3。

Myelinated and unmyelinated fibers grew to S 1 and S 3 respectively .

尺神经深支直径为（2.1±0.4）mm，有髓神经纤维数为（1368±120）条。

The deep branch of ulnar nerve was ( 2.1 ± 0.4 ) mm in diameter with ( 1 318 ± 120 ) nerve fibers .

雄性EE组海马结构内有髓神经纤维总长度比SE组显著增加了71.8%（P0.05）。

The total length of the myelinated fibers in EE male rats was significantly increased by 71.8 % than those in SE male rats ( P0.05 ) .

结果自体神经移植体修复神经缺损后，再生神经的数目、有髓神经纤维截面积、运动神经传导速度均优于端侧吻合的外膜、束膜开窗组（P0.05）；

Results The cross area of myelinated nerve fibres , axon numbers , motor nerve conduction velocity were significantly better in group A than in group B or C ( P 0.05 ) .

腓浅神经活检见有髓神经纤维髓鞘变性，轴索变性或消失。Schwann细胞变性，也累及神经束膜。

Superficial peroneal nerve biopsy identified myelin degeneration of myelinated nerve fibers , axonal degeneration or disappearance , degeneration of Schwann cell and also involved perineurium .

图像定量分析：导管组与自体组两组有髓神经纤维轴突直径、髓鞘厚度相比较均无显著性差异（P0.05），差异均无统计学意义。

Quantitative image analysis : the conduit group and the autologous group two sets of axon diameter of myelinated nerve fibers , myelin thickness compared with no significant difference ( P0.05 ) differences were not statistically significant .

与N组比较，RFTC组术后有髓神经纤维的形态学以沃勒变性和再生为特点，轴索内线粒体严重损伤或消失；

Microscopic examination showed that the myelinated nerve fibers exhibited Wallerian degeneration and axon regeneration and the cytochondria in cylindraxile were severely injured or disappeared in group RFTC .

雌性EE组海马结构内有髓神经纤维的平均直径比SE组减少了5.2%，但两组之间不存在显著性差异（P0.05）。

Then mean diameter of the myelinated fibers in the hippocampal formation of EE female rats was decreased by 5.2 % when compared to SE female rats , but the difference was not significant ( P0.05 ) .

高剂量NRF组的有髓神经纤维成熟度优于对照组，而变性纤维少于对照组；

Compared with the control group , the high dose group had more mature myelinated nerve fibers and less degenerated nerve fibers .

结果Ngb蛋白在成年大鼠中枢神经系统、周围神经系统和新陈代谢旺盛的生殖内分泌器官广泛分布，其中心脏神经节、有髓神经纤维轴突及睾丸间质细胞Ngb蛋白阳性为首次发现。

Results Ngb-positive cells were detected in central nervous system , peripheral nervous system and some metabolically active endocrine tissues . The Ngb-positive results in cardiac ganglia , axons of myelinated nerve fibers and testis interstitial cells were reported for the first time .

结果术后8周，实验组的运动神经传导速度（MNCV）、再生有髓神经纤维数及截面积、腓肠肌肌湿重及肌纤维截面积均优于对照组。

Results On 8 weeks after surgery , nerve conduction velocity , the number of regenerated myelinated axon fiber and its areas , the wet muscle weight of gastrocnemius muscle and transverse areas of muscle fiber were superior in the experimental group to those in the control group .

术后180d取材标本制作，并测定各组大鼠神经植入处有髓神经纤维数量、直径，神经近端缝合处胶原纤维数量、羟脯氨酸含量，各组大鼠坐骨神经支配腓肠肌的潜伏期及波幅等。

After 180 days , the number and diameter of myelinated nerve fibers in implanted area , and the number of collagen fibers and hydroxyproline content in the proximal suture area were measured in the three groups as well as the latency and wave amplitude of gastrocnemius muscle .

有髓神经纤维的结旁区和轴-胶连接

The paranodal region and axo - glial junction of myelinated fibers

前根的有髓神经纤维记数。

The numbers of myelinated nerve fibers of ventral roots .

术后6周行电生理学检查，光镜下作再生有髓神经纤维计数。

On the 6 weeks after operation , electrophysiological examination was done .

再生纤维主要为细小的有髓神经纤维。

The regenerating fibers were mainly small myelinated fibers .

结果延长40%时，可见广泛的节段性脱髓鞘，朗飞氏结区增宽，且主要发生于大的有髓神经纤维；

Result Optical microscopy revealed extensive segmental demyelination mainly in big myelinated nerve fibers .

大鼠海马结构有髓神经纤维体视学方法的建立

Establishment of a stereological method for myelinated fibers in hippocampal formation of rat brain

神经元细胞有髓神经纤维出现髓鞘分离。

The myelinated nerve fibres of neurocytes .

腓肠神经活检可见有髓神经纤维丢失，轴索变性。

Loss of myelinated fibers due to axonal degeneration was found in sural nerve biopsy .

糖尿病组有髓神经纤维密度明显低于对照组，电镜下可见神经纤维结构改变；

The myelinated nerve density in diabetic group was decreased than that in control group .

运用新的体视学方法研究大鼠胼胝体及胼胝体额区有髓神经纤维

Rat corpus callosum and myelinated nerve fibers in its frontal region by a new stereological method

最后，取腓肠神经观察病理改变和有髓神经纤维计数。

The ultrastructural changes and the number of myelinated fibers in sural nerve were also observed .

有髓神经纤维再生的实验研究

Experimental studies on regenerated myelinated fibers

放大至400倍视野下，还可见有髓神经纤维的郎飞氏结；

With amplified × 400 visual field , Ranvier 's node of spinal nerve fiber was visible .