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Intracisternal crystalline arrays of coated parallel tubules in cells of a human osteosarcoma.
Virchows Arch. 391, 309-313 (1981)
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
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
Publisher
Springer
Reviewing status
Peer reviewed
Institute(s)
Institute of Pathology (PATH)