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Qualitative Investigation of the Postnatal Development of Axon and Nerve Fiber Calibers in the Ventral Roots of Rats

 

作者: P. Tonner,   W. Lierse,  

 

期刊: Cells Tissues Organs  （Karger Available online 1988）
卷期: Volume 132, issue 4  

页码: 284-296

 

ISSN:1422-6405

 

年代: 1988

 

DOI:10.1159/000146590

 

出版商: S. Karger AG

 

关键词: Rat;Ventral roots;Myelination;Postnatal development;Optical microscopy;Morphometry

 

数据来源: Karger

 

摘要:

The postnatal development of the ventral spinal roots of rats was studied with optical microscopic and morphometric methods. Adult rats show a craniocaudal decrease of axon and nerve fiber diameters which cannot be detected in younger animals. The bimodal differentiation of the nerve fiber populations occurs between the 15th and 20th day. Myelinated nerve fibers show a g ratio of 0.6 for all examined age groups.

 

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