Ultrastructural identification of a sympathetic component in the hypoglossal nerve of hamsters using experimental degeneration and horseradish peroxidase methods

Chi Y. Tseng, I. H. Wei, Hung Ming Chang, June Horng Lue, Chen Yuan Wen, Jeng Yung Shieh

研究成果: 雜誌貢獻文章同行評審

3 引文 斯高帕斯(Scopus)

摘要

We employed experimental degeneration, tract-tracing with wheatgerm agglutinin conjugated with horseradish peroxidase (WGA-HRP) and electron microscopy to explore the postganglionic sympathetic fibers in the hypoglossal nerve of hamsters. Quantitative results of normal untreated animals at the electron microscopic level showed the existence of unmyelinated fibers, which made up about 20% of the total fibers in the nerve, being more numerous on the left side. The nerve fibers were preferentially distributed at the periphery of the nerve. Following superior cervical ganglionectomy, most of the unmyelinated fibers underwent degenerative changes. Tract-tracing studies showed that some of the unmyelinated fibers were labeled by WGA-HRP injected into the superior cervical ganglion (SCG). It is suggested that the unmyelinated fibers represent the postganglionic sympathetic fibers originated from the SCG.
原文英語
頁(從 - 到)117-125
頁數9
期刊Cells Tissues Organs
180
發行號2
DOIs
出版狀態已發佈 - 2005
對外發佈Yes

ASJC Scopus subject areas

  • Anatomy

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