查询词典 myelinated

An infectious viral disease occurring in dogs, characterized by loss of appetite, a catarrhal discharge from the eyes and nose, vomiting, fever, lethargy, partial paralysis caused by destruction of myelinated nerve tissue, and sometimes death.

犬热病发生在狗身上的一种传染性病毒引起的疾病，主要特征是：无食物欲，眼鼻处有黏液，呕吐，发烧，昏睡，由于有髓鞘的神经组织受到损害而部分麻痹，有时会导致死亡

The notable proliferation was not observed by eyes in the local of injection. The infiltration of inflammation cells and mild proliferation of fibrocyte around dura mater was observed by HE stained in 4 and 8 weeks after injection. Infiltration and exudation of inflammation cells was observed by HE stained in epidural nerve root. Compared with group A, no changes of group B, C and D were observed under specific stained. Proliferation of type Ⅱ collagen fibers around dura mater was seen under immunohistochemical stained in 4 and 8 weeks after injection. There is no significant demyelination changes under LFB stained. The thickness and shape of the myelin sheath in epidural nerve root was not regular under transmission electronic microscopy in 4 and 8 weeks after injection. Fibroblast was also seen there. In nerve endometrium, macrophage could be seen under TEM, myelinated nerve fiber changed significantly, but nonmyelinated nerve fiber changed mildly. When 8 weeks, the changes of group D is smaller than the group B and C.

给药局部肉眼观察未见明显的纤维组织增生；HE染色可见B、C、D三组给药后四周及八周时硬膜内外均有炎细胞浸润，纤维细胞轻度增生，硬膜外神经根内有炎细胞浸润及炎性渗出；特殊染色B、C、D三组同A组相比未见有脊髓及神经根的改变；免疫组化染色，给药后四周及八周时，硬膜内外均有Ⅱ型胶原纤维增生；固兰染色B、C、D三组未见有明显脱髓鞘改变，与A组相比无明显异常改变；电镜观察B、C、D三组在给药后的四周及八周时，表现为硬膜外神经根内髓鞘厚薄不一，形状不规则，可见成纤维细胞，神经内膜中可见有巨噬细胞；粗大的有髓神经纤维变化明显，无髓神经纤维受累较轻；八周时电镜下D组改变较B、C两组为轻。

Results Amyloid polyneuropathy is chronic progressive peripheral neuropathy,can be accompanied by injured of cardiovascular system, gastrointestinal tract and kidneys;pathological changes showed:Kongorot staining positive,amyloid deposited in endoneurium,perineurium and vascular adventitia,a marked reduction in the number of myelinated fibers and unmyelinated fibers,segmental demylinated.

结果 本病为慢性进行性周围神经病，可伴有心、胃肠、肾等损伤。病理改变示刚果红染色阳性，可见类淀粉物沉积于神经内膜、束膜及血管壁外膜，有髓及无髓纤维减少，节段性脱髓鞘。

Electromyographic, histological and ultramicroscopic analysis were performed in 2, 8 and 16 weeks postoperatively. The nerve conduct velocity, amplitude of compound muscle action potential, myelinated nerve fiber counts and ultramicrostructure were studied and processed statistical analysis.

分别于术后2、8、16周对再生神经及正常对照行电生理、组织学及超微结构观察，分析并比较神经传导速度、复合肌肉动作电位、神经纤维计数、神经超微结构等指标，行相应的统计学处理。

A large number of myelinated nerve fibers and a small number of unmyelinated nerve fibers regenerated.

再生大量的有髓神经纤维及少量的无髓神经纤维。

In the middle of 20 century, agreat lot of scholars simulated the relation between the velocity of action potentialpropagated along a myelinated fiber or an unmyelinated fiber and the fiber diameteror the temperature. The results were according to the experimental results. But by far,there are lacking in the quantitative analysis of the velocity of action potentialpropagated along a myelinated fiber and an unmyelinated fiber.

本文首先分析了动作电位在无髓神经纤维上的传递机制，得出了可用跨膜电流的移动速度来等效动作电位传递速度的结论，结合电缆模型与 H-H 模型，建立了动作电位传递期间神经纤维的等效电路模型，并在此基础上推导出计算传递速度的公式，对其进行了验证。

Although each of the sensory and motor regions is myelinated and functions independently before a person is five years of age, the principal regions of the brain that underlie our ability to integrate visual, verbal and auditory information rapidly are not fully myelinated in most humans until five years of age and after.

虽然每一种感觉和运动的地区是有髓和职能的独立之前，一个人是5岁以下，主要地区的大脑理解我们的整合能力视觉，语言和听觉信息迅速没有得到充分的髓在大多数人，直至5岁以下和后。

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。

The adipose derived stem cells of inbreds train of rat wereinduced to differentiate into schwann-like cells and the cells were injectedinto the acellular nerve allograff.The proliferation or adhersion of these cells on the graft were observed by inverted microscope or ScanningElectronic Microscope. Activity of cells were detected using MTT. 10mmnerve gap of inbreds train of rats in two group were bridged by tissue-engineered peripheral nerve or autogenous nerve, the effect wereappraised by naked eye, recovery rate of sciatic function index,nerve-electrophysiological, histology, Transmission ElectronMicroscopy and quantitative analysis of recovery rate of myelinated fiberpopulations,diameter of myelinated fiber and thickness of myelin sheat.

按照前述方法培养并诱导近交系大鼠脂肪干细胞向类Sehwann分化，将诱导分化的脂肪干细胞悬液注入已制备的去细胞同种异体神经支架管中，倒置显微镜观察细胞生长情况；扫描电镜下观察细胞在材料上附着情况；四唑盐比色试验测定细胞活性；取两组近交系大鼠，分别用组织工程化神经和自体神经桥接10mm神经缺损，通过大体观察、坐骨神经功能指数恢复率的测定、神经电生理的测定、组织学光镜观察、透射电镜观察、再生有髓神经纤维计数恢复率、神经纤维直径恢复率、髓鞘厚度恢复率的测定等指标评价实验效果。

Results When compared with those of young rats, the total volume of white matter and the total length of myelinated fibers in the white matter of aged rats were decreased by 24.1% and 41%, respectively. In the white matter of aged rats, the volume density of myelinated fibers, the volume density of myelin sheathes and the mean diameter of myelinated fibers were increased by 30%, 23.9% and 31%, respectively, when compared with those of young rats.

结果 老年组大鼠大脑白质总体积，有髓神经纤维总长度分别下降了24.1％和41％；老年组大鼠有髓神经纤维体积密度、髓鞘体积密度和纤维直径分别增加了30％、23.9％和31％，具有统计学意义。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。