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Intracisternal crystalline arrays of coated parallel tubules in cells of a human osteosarcoma.

Virchows Arch. 391, 309-313 (1981)
Publ. Version/Full Text DOI
Crystalline arrays of coated parallel tubules (CPT) were observed by electron microscopy within dilated cisternae of the rough endoplasmic reticulum of pleomorphic mononuclear cells in a human osteosarcoma. The wall of the peculiar intracisternal tubules consisted of an electron-dense thin membrane-like envelope which appeared to be composed of granular subunits. The electron-lucent tubular core together with the limiting envelope was approximately 15 nm in diameter. A coat of fuzzy material, approximately 10 nm thick, tightly surrounded the membrane-like wall of the tubules. Cross sections of accumulations of CPT showed the tubules to be arranged in a hexagonal crystalline array. The nature and significance of the intracisternal CPT are unknown.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
Keywords Osteosarcoma; Intracisternal tubules; Crystalline array
ISSN (print) / ISBN 0042-6423
e-ISSN 1432-2307
Journal Virchows Archiv
Quellenangaben Volume: 391, Issue: 3, Pages: 309-313 Article Number: , Supplement: ,
Publisher Springer
Non-patent literature Publications
Reviewing status Peer reviewed