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LIGHT-MICROSCOPIC STUDIES OF LOCUS COERULEUS REGION OF THE MOUSE Yoshimitsu Katoh 1 , Motoko Kanematsu 1 , Nobuo Shimizu 1 1Department of Anatomy, Fujita-Gakuen University School of Medicine pp.185-191
Published Date 1984/2/1
DOI https://doi.org/10.11477/mf.1406205272
  • Abstract
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In an attempt to give some contribution to the morphology of locus coeruleus (LC) in the ddY mouse (weighing about 20 g), we made light-microscopic investigations using several staining methods in normal condition.

First, we studied the cytoarchitectonics and cell numbers of LC by the Kluver-Barrera method and amine demonstrating wet fluorescent method. LC of the mouse measured 600-1-60 pm in antero-posterior extent in the dorso-lateral tegmental area. At the rostral part of LC small number ofconstituent cells were disseminated, the middle part (principal part) showing the triangle-shaped cell accumulation with an apex directing to the IV ventricle. The caudal part forming small accumulation of cells ended directly beneath the IV ventricle.

Number of unilateral LC cells amounted to 1250 ±92 by Kluver-Barrera method, while 1326±44 by the wet fluorescent method. The LC was cytoarchitectonically divided into the dorsal and ventral parts. The cell size of the dorsal part averaged (16.2±2.8)×(25.5±4.6)μm along the longest and shortest axes, while that of ventral part (17.3±3.1)×(30.2±5.6)μm.


Copyright © 1984, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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