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感觉神经纤维及其末梢(感受器)的退变与再生

[Degeneration and regeneration of sensory nerve fibers and their endings (receptors)].

作者信息

Kadanov D

出版信息

Eksp Med Morfol. 1979;18(4):201-7.

PMID:391546
Abstract

After cutting a nerve, inervating a certain part of the body/its nerve fibers and their terminals (receptors) undergo degeneration, which continues several days and proceeds in some of them unevenly quickly. They recover (regenerate) to their normal state and structure several months after the occurred complete destruction of the nervous fibers and terminals. The author describes the results from studies on the inervation of skin transplants and scars in experimental animals and persons to clarify the question about the origin of the regeneration nerve fibers--whether by growth of the central part of the cut nerve or by formation of this part independently in an area. The finding of capsulated receptors--the bodies of Meissner and bulbs with dense vindingsin 2 to 16-years old scars is a sure proof that regenerated nerve fibers and their terminals originate by growth from those cut at the surface of the grafting of the transplant e.g. from the central.

摘要

切断神经后,支配身体某一部位的神经及其神经纤维和终末(感受器)会发生变性,这种变性会持续数天,且在其中一些部位进展不均匀且迅速。在神经纤维和终末完全破坏发生数月后,它们会恢复(再生)到正常状态和结构。作者描述了对实验动物和人体皮肤移植及瘢痕神经支配的研究结果,以阐明再生神经纤维的起源问题——是通过切断神经的中枢部分生长,还是在一个区域独立形成这部分。在2至16年的瘢痕中发现有被囊感受器——迈斯纳小体和有密集缠绕的小体,这确凿地证明再生神经纤维及其终末是由移植(如来自中枢)表面切断处的神经纤维生长而来。

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