Ultrastructure of a polysome-lamellae complex in a human paraganglioma

Study of a human abdominal paraganglioma under electron microscopy revealed an unusual cytoplasmic inclusion appearing as a hollow cylinder made up of one or several concentric lamellae surrounded by single or aggregated granules. Cross sections of the lamellar element show a discontinuous juxtaposi...

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Bibliographic Details
Published inThe American journal of pathology Vol. 86; no. 3; pp. 523 - 532
Main Authors Nabarra, B, Sonsino, E, Andrianarison, I
Format Journal Article
LanguageEnglish
Published United States ASIP 01.03.1977
Subjects
Abdominal Neoplasms - ultrastructure
Cell Membrane - ultrastructure
Cytoplasm - ultrastructure
Cytoplasmic Granules - ultrastructure
Female
Humans
Inclusion Bodies - ultrastructure
Microscopy, Electron
Paraganglioma - ultrastructure
Polyribosomes - ultrastructure
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Summary:Study of a human abdominal paraganglioma under electron microscopy revealed an unusual cytoplasmic inclusion appearing as a hollow cylinder made up of one or several concentric lamellae surrounded by single or aggregated granules. Cross sections of the lamellar element show a discontinuous juxtaposition of particles. It is moderately dense and is bordered by 140--to 250-A granules of sure ribosomal nature. The inclusion is closely connected to the rough endoplasmic reticulum. The origin and significance of this complex are discussed.
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ISSN:0002-9440
1525-2191