Journal Article

Ultrastructural observations on the tendon sheath of the rat tail

Tadashi Gotoh, Noriaki Murashige and Kazuo Yamashita

in Microscopy

Published on behalf of The Japanese Society of Microscopy

Volume 46, issue 3, pages 247-252
Published in print January 1997 | ISSN: 2050-5698
Published online January 1997 | e-ISSN: 2050-5701 | DOI:
Ultrastructural observations on the tendon sheath of the rat tail

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The ultrastructure of the tendon sheath of the rat tail tendon was examined with scanning and transmission electron microscopes. The tendon sheath was divided into three layers: the visceral, parietal and fibrous layers. By scanning electron microscopy, the longitudinal shallow ridges –7 μm wide were seen on the surface of the visceral layer. On the other hand, the spiral ridges –20 μm wide running at an angle of 35° to the longitudinal axis were exposed clearly on the inner surface of the parietal layer. Blood capillary networks were also observed on the surface of the parietal layer, especially in the specimens treated with HC1. The fibrous layer of the tendon sheath was characterized by a large number of collagen fibers in a woven arrangement. The inner surface of the fibrous layer showed spiral ridges similar to that of the parietal layer, suggesting that the ridges of parietal and fibrous layers were concerned with the arrangement of collagen fibers in the innermost region of the fibrous layer

Keywords: collagen fibrils; tail tendon; tendon sheath; electron microscope

Journal Article.  0 words. 

Subjects: Biological Sciences

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