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An electron microscopic study of erythrophagocytosis.
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MedLine Citation:
PMID:  13820843     Owner:  NLM     Status:  MEDLINE    
The present study describes a submicroscopic surface fragmentation of erythrocytes which occurs in the ascitic fluid of rats bearing the Novikoff ascites hepatoma. The resulting fragments attach to the surface of macrophages and are phagocytized by pseudopod formation. Plasma membrane in the region of these phagocytosis vacuoles appears to condense into electron-opaque material, suggesting an alteration in its physicochemical state. Stages in intracellular digestion of intact erythrocytes or small fragments within the phagocytosis vacuoles are illustrated; no particles resembling ferritin are observed. The phagocytosis vacuoles possess high levels of acid phosphatase activity. They may be called phagosomes, a type of lysosome. There is no indication of a connection between phagosomes and other formed cytoplasmic organelles. Small vacuoles of the order of 80 mmicro in diameter, which may represent pinocytosis vacuoles, are present in the cytoplasm and some appear to be in contact with the phagosome membrane, reminiscent of observations of Rose with HeLa cells.
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of biophysical and biochemical cytology     Volume:  7     ISSN:  0095-9901     ISO Abbreviation:  J Biophys Biochem Cytol     Publication Date:  1960 Apr 
Date Detail:
Created Date:  1960-12-01     Completed Date:  1998-11-01     Revised Date:  2010-06-22    
Medline Journal Info:
Nlm Unique ID:  17840020R     Medline TA:  J Biophys Biochem Cytol     Country:  Not Available    
Other Details:
Languages:  eng     Pagination:  329-34     Citation Subset:  OM    
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Journal Information
Journal ID (nlm-ta): J Biophys Biochem Cytol
ISSN: 0095-9901
Publisher: The Rockefeller University Press
Article Information
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Copyright © Copyright, 1960, by The Rockefeller Institute Press
Received Day: 28 Month: 9 Year: 1959
Print publication date: Day: 1 Month: 4 Year: 1960
Volume: 7 Issue: 2
First Page: 329 Last Page: 334
ID: 2224793
PubMed Id: 13820843

An Electron Microscopic Study of Erythrophagocytosis
Edward Essner
From the Department of Pathology, Albert Einstein College of Medicine, New York

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