- 更多网络例句与髓突相关的网络例句 [注：此内容来源于网络，仅供参考]
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BACKGROUND: Myelination following axonal regeneration is a key factor affecting the recovery of spinal cord injury.
背景：轴突再生后髓鞘化是影响脊髓损伤后恢复的一个关键性因素，而少突胶质细胞存活的多少直接影响轴突再生后髓鞘化。
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Nodes of Ranvier; saltatory conduction; Schwann cells; oligodendrocytes; myelin basic protein; demyelination; remyelination; myelinopathy; myelinogenesis; myelin-associated protein; myelin sheaths; demyelinating neuropathy; myelin proteolytic protein; chronic inflammatory demyelinating polyradiculoneuropathy; multiple sclerosis; MS
郎飞氏结；跳跃传导；施旺细胞；少突神经胶质细胞；髓鞘碱性蛋白脱髓鞘；髓鞘再生；髓鞘质病；髓鞘形成；髓磷脂-关联的蛋白质；髓鞘；脱髓鞘神经病；髓磷脂溶解蛋白的蛋白质；慢性炎症性脱髓鞘多神经根神经病；多发性脑硬化；MS
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Objective: To explore the corresponding rules between medullary processes and pre-postcentral gyri and provide anatomic basis for locating pre-postcentral gyri by medullary processes.
目的：探索髓突与中央前、后回的对应规律，为影像学上通过髓突定位中央前、后回奠定解剖形态学基础。
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Objective: In order to provide reliable morphological basis and new way for imaging study of brain function and the early diagnosis and treatment of small local disease, a new method of gyri localization on CT and MRI films was discussed using; the clock localization method.
目的 通过对成人大脑冠状面MRI图像和横断面CT图像与相应断层标本的对照观察，依据大脑髓质发出的髓突，利用表盘定位法追踪、定位相应脑回，为脑功能的影像学研究和术前病理学定位诊断提供诊断依据及形态学基础。
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Observing the medullary pattern and direction by the comparison of the MRI and CT images with serial sections of the brains, a new method of gyri localization on CT and MF I flms was discussed using the clock localization method.
综合地对脑冠状位MRI图像、横断面CT图像与相应的断层标本进行观察分析，并结合大量阅片找出髓突的分支走行特点。
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Electrophysciological indexes: in the experimental group ,the tardy rate of induced motorius action potential ,recovery rates of the amplitude of compound muscle action potential and twitch tension and tetanic tension of triceps surae muscle ,were significantly higher than in the control group.(4) Compared with the control group ,the triceps surae muscle wet weight was significantly greater in the experimental group.(5) histomorphological indexes: the count of myelinated nerve fibers ,diameter of regenerated axon,thickness of nerve myelin sheath and area of capillary were much more in the experimental group than in the control group.(6) observation of ultrastructure with the transmission election microscope: more abundant organella and maturer myelin sheath lay in the injured peripheral nerve of the experimental group, while not lay in the control group.
分别在术后第2、4、6周时进行各项指标的检测，结果发现：（1）实验组SD大鼠在整个实验过程中，其精神、毛发、体重，运动灵活性等一般情况优于对照组；（2）实验组的坐骨神经功能指数恢复率显著优于对照组，P＜0.01；（3）神经电生理指标：实验组运动神经诱发电位潜伏期的延迟率显著优于对照组，P＜0.05；复合肌肉动作电位振幅的恢复率显著高于对照组，两组比较第2周时P＜0.01，第4、6周时，P＜0.05；小腿三头肌单收缩力和强直收缩力的恢复率实验组显著高于对照组，P＜0.01；（4）小腿三头肌湿重的恢复率，第2、4周时实验组高于对照组，差异非常显著，P＜0.01；第6周时，差异仍显著，P＜0.05；（5）组织形态学指标：有髓神经轴突计数、再生轴突直径的恢复率，毛细血管面积，实验组均显著大于对照组，P＜0.01、P＜0.05、P＜0.001；实验组髓鞘厚度的恢复率也显著高于对照组，第2周时P＜0.01，第4、6周时，P＜0.05；（6）透射电镜超微结构观察：实验组再生轴突中细胞器丰富，髓鞘结构成熟，神经再生情况优于对照组。
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Medullary branch of precentral gyrus is on 1-2 clock of dial plare and postcentrai gyrus is on 2~3 clock of dial plate from this section.
从此层面开始分别套用两个表盘，自额顶叶髓质向上外(12点～3点位)发出宽大的中央前回的髓突，向外下方(3点～4点)位发出薄的中央后回的髓突，中央后回明显薄于中央前回。
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Myelinated fibers ca n be seen without a myelin, the nerve axons silk increase in the number of accumulati on; Pulpless axon fibers can be seen swelling injury earlier in myelinated fibers.
有髓纤维可见髓鞘不整，轴突内神经丝数量增加，堆积；无髓纤维可见轴突肿胀，损伤要早于有髓纤维。
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While the tissue spaces surrounding a few blood vessels wasAl and Fg positive,no Al or Fg positive cells were observed.In antemortem injurygroup,diffuse subarachnoid hemorrhage,cerebral edema,swelling or pyknotic neu-rons could be observed.The axons showed irregular swelling and disconnection at1～3h,marked swelling and disconnection at 6h,and retraction ball at 15h whichwas more remarkable at 24h after injury.The space between myelin sheaths andaxons was increased at 3～6h after injury.Tortuous and wavelike myelin sheathswhich adhered on axons incompletely,or even peeled off could be found from 15hto 24h after injury.Perinuclear lysis of Nissl bodies began at 24h after injury.Thenumber of GFAP positive cells in cerebrum and brain-stem increased significantlyfollowed by decrease,and then increased again,but the time courses of the changesin different areas of brain were not same.Al and Fg positive neural cells,mainlysurrounded blood vessels,with diffuse or peripherally distributed positive matter incytoplasm could be observed at 0.5h after injury.The number of Al or Fg positivecells and the intensity of immunoreaction increased with the time of injury.The areaof SYN positivity in medulla oblongata and pons decreased notably 3～6h afterinjury,then return to normal levels and continued to 24h after injury.
生前损伤组，可见广泛蛛网膜下腔出血，脑组织水肿，神经细胞肿胀，晚期神经元固缩；伤后1～3h见部分神经轴突不规则增粗、断裂，伤后6h断端膨大，伤后15h可见收缩球，至伤后24h更为明显；伤后3～6h可见部分神经髓鞘与轴突之间的间隙增宽，伤后15h髓鞘明显曲折，不完全附着在轴突两侧，甚至剥脱，持续到伤后24h；核周尼氏体减少在伤后24h才开始出现；同一部位的GFAP阳性细胞数目随损伤时间发生改变，先增多（最早在伤后0.5h），达到高峰后减少，其后又有增多趋势，但不同部位的GFAP阳性细胞数目增减的时间过程不尽相同，同时，大脑中的GFAP阳性细胞数目也有改变；伤后0.5h，可在脑干组织中见到Al和Fg阳性神经细胞，主要位于血管周围，阳性物在胞浆中呈弥散性分布，但部分细胞的阳性物仅分布于靠近胞膜的胞浆中而呈环状，随损伤时间延长，阳性细胞数目增多，反应强度增加；伤后3～6h，延髓及桥脑中的SYN阳性物面积减少，其后恢复到正常水平，并持续到伤后24h。
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All the indexes were tested in 2 -. 4 .. 6 weeks of operative intervals respectively. Results:(1) The general observation in the experimental group ,such as spirit, hair, body weight and activity ,was superior to that in the control group.(2) The recovery rate of sciatic nerve functional index (SF1) was statistically significantly higher in the experimental group than in the control group .(3) electrophysciological indexes: m the experimental group ,the tardy rate of induced motorius action potential ,recovery rates of the amplitude of compound muscle action potential and twitch tension and tetanic tension of triceps surae muscle ,were significantly higher than in the control group.(4) Compared with the control group ,the triceps surae muscle wet weight was significantly greater in the experimental group.(5) histomorphological indexes: the count of myelinated nerve fibers ,diameter of regenerated axon, thickness of nerve myelin sheath and area of capillary were much more in the experimental group than in the control group.(6) observation of ultrastructure with the transmission election microscope: more abundant organell a and maturer myelin sheath lay in the injured peripheral nerve of the experimental group, while not lay in the control group.
分别在木后第2、4、6周时进行各项指标的检测，结果发现：（1）实验组SD大鼠在整个实验过程中，其精神、毛发、体重，运动灵活性等一般情况优于对照组；（2）实验组的坐骨神经功能指数恢复率显著优于对照组，P＜0.01；（3）神经电生理指标：实验组运动神经诱发电位潜伏期的延迟率显著优于对照组，P＜0.05；复合肌肉动作电位振幅的恢复率显著高于对照组，两组比较第2周时P＜0.01，第4、6周时，P＜0.05；小腿三头肌单收缩力和强直收缩力的恢复率实验组显著高于对照组，P＜0.01；（4）小腿三头肌湿重的恢复率，第2、4周时实验组高于对照组，差异非常显著，P＜0.01；第6周时，差异仍显著，P＜0.05；（5）组织形态学指标：有髓种经轴突计数、再生轴突直径的恢复率，毛细血管面积，实验组均显著大于对照组，P＜0.01、P＜0.05、P＜0.001；实验组髓鞘厚度的恢复率也显著高于对照组，第2周时P＜0.01，第4、6周时，P＜0.05；（6）透射电镜超微结构观察：实验组再生轴突中细胞器丰富，髓鞘结构成熟，神经再生情况优于对照纽。
- 更多网络解释与髓突相关的网络解释 [注：此内容来源于网络，仅供参考]
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myelin sheath：髓鞘
有的轴突外围以髓鞘(myelin sheath),称为有髓神经纤维(myelinaied nerve fiber);无鞘者称为无髓神经纤维(nonmyelinated nerve fiber). 轴突的长短,各种神经细胞差异很大,如运动神经细胞的轴突可长达1m,而有些神经细胞的轴突只有十余um.
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myelin：髓鞘
大脑皮质为红灰色的灰质(graymatter),内部则是由神经纤维构成的大脑白质,其中神经西为的先长部分称为轴突(axon),轴突就像电缆一样,能把神经元输出的讯号传送到附近或远处的目标,髓鞘(myelin)则是轴突外的脂肪绝缘体,
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myelination：髓鞘
而针对轴突髓鞘质(myelin)的一种方法则提供了抑制以及可能逆转疾病扩散的新治疗方法,之前的研究发现,含亮氨酸重复序列和免疫球蛋白结构域的Nogo受体作用蛋白(LINGO-1)是一种体内体外少突胶质细胞(Oligodendrocyte)分化和髓鞘(myelination)的负调控因子.
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neural plate：髓板;神经板;椎板
神经叶 neural lobe | 髓板;神经板;椎板 neural plate | 髓突 neural process
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myelinated nerve fiber：有髓神经纤维
有髓神经纤维(myelinated nerve fiber)由轴突(或树突)、髓鞘、神经膜构成. 髓鞘(myelin sheath)及神经膜(neurolemma)呈鞘状包裹在轴突的周围. 在轴突的起始部无髓鞘包裹,称此部为起始段(initial segment)起始段远侧的轴突部分,髓鞘呈节段包卷轴突,
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myelinated nerve fiber：髓神经纤维
分类:根据包裹神经元长突起的胶质细胞是否形成髓鞘,可分为有髓神经纤维(myelinated nerve fiber)和无髓神经纤维. ⑥用锇酸固定时可见髓鞘上具有许多有漏斗形的裂隙,称之为施-兰(Schmidt-Lantermann)切迹. 其由施万细胞围绕轴突缠绕过程中被留在髓鞘板层内的胞质形成.
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neurapophysis：髓突
neuranagenesis 神经再生 | neurapophysis 髓突 | neurapraxia 神经失用症 机能性麻痹
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parapophysis：椎体横突
并通过椎体正中的小孔道,使整条脊索串连成念珠状.脊柱的分 化程度低,分为躯椎和尾椎两部分.每一躯椎由椎体,椎弓(又称髓弓 neural arch),髓棘(或称棘突 neural spine),椎体横突(parapophysis)等各部构成;尾椎则包括椎体,
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prezygapophysis：前关节突
髓弓的前关节突( preZygapophysis )与基枕骨凹陷面上方的一对小型突起相关节,后关节突( PestzygapophysiS )则与第二椎的前关节突相关节. 从第二椎开始,椎体均为两凹型,髓棘也较长. 椎体的腹侧有一对横突( transverse process ) ,其基部宽,
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neural process：髓突
髓板;神经板;椎板 neural plate | 髓突 neural process | 椎盾;椎板 neural scute