Ultrastructure and Collagen Composition of the Myo-Fascial Junction in Rat Calf Muscles
作者:
M. Järvinen,
L. Jozsa,
M. Kvist,
M. Lehto,
T. Vieno,
J. Isola,
P. Kannus,
期刊:
Cells Tissues Organs
(Karger Available online 1992)
卷期:
Volume 145,
issue 3
页码: 216-219
ISSN:1422-6405
年代: 1992
DOI:10.1159/000147369
出版商: S. Karger AG
关键词: Sarcolemma;Collagen;Fascia;Myo-fascial junction
数据来源: Karger
摘要:
The collagen composition and ultrastructural organization of the myo-fascial junction was studied using immunohistochemical techniques and electron microscopy. At the myo-fascial junction, a small amount of type-III collagen was found; however, the major collagen component was the type-I collagen. On the longitudinal sites of muscle cells, there were deep recesses and, within these, finger-like structures containing sarcomers. In these recesses and in the fingerlike structures of the myo-fascial junction, the sarcolemma was thickened (three times) in a similar way to the basal lamina at the myotendinous junction. Thin collagen fibers were closely associated with the thickened sarcolemma of the finger-like structures.
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