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Age-related changes of mouse pinealocytes: Electron microscopy and morphometry Akio Hasegawa 1 1Department of Clinical Pathology, Tokyo Metropolitan Institute of Gerontology pp.505-516
Published Date 1984/6/10
DOI https://doi.org/10.11477/mf.1431905616
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Summary

 An electron microscopic and morphometrical study of the pineal parenchymal cells (pinealocytes) in 3, 5, 8, 14, 18, 24-month-old male mice demonstrated the following results; 1) An increase of nuclear invaginations in older mice.

 2) An increase of interdigitations of cytoplasmic processes, resulting in irregularity of the cytoplasmic outlines.

 3) A prominent increase in number of age pigments (so-called "lipofuscin") in 24-month-old mice.

 4) A tendency of decrease in nuclear: cytoplasmic ratios in the aging process.


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

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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