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The structure of the yolk of the hen's egg as studied by electron microscopy. I. The yolk of the unincubated egg.
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MedLine Citation:
PMID:  13866859     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A description of the fine structure of the yolk of the unincubated hen's egg has been provided, which will serve as a basis for further studies on yolk digestion. The gross components of the yolk (that is, free-floating lipid drops, yellow and white yolk spheres together with their enclosed lipid subdroplets, and aqueous protein fluid) could be recognized by phase contrast and low power electron microscopy. The majority of the lipid drops, whether free floating or enclosed within yolk spheres, were composed of particles about 30 to 60 A in diameter. The protein component of the yolk was found to consist of round profiles about 250 A in diameter. The surfaces of the yolk spheres were of three types, and it is difficult to decide which represents the true structure although reasons are given for believing that yolk spheres are not normally enclosed by membranes identical with cell membranes.
Authors:
R BELLAIRS
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of biophysical and biochemical cytology     Volume:  11     ISSN:  0095-9901     ISO Abbreviation:  J Biophys Biochem Cytol     Publication Date:  1961 Oct 
Date Detail:
Created Date:  1962-12-01     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:  207-25     Citation Subset:  OM    
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MeSH Terms
Descriptor/Qualifier:
Egg Yolk / anatomy & histology*
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Full Text
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, 1961, by The Rockefeller Institute Press
Received Day: 5 Month: 3 Year: 1961
Print publication date: Day: 1 Month: 10 Year: 1961
Volume: 11 Issue: 1
First Page: 207 Last Page: 225
ID: 2225109
PubMed Id: 13866859

THE STRUCTURE OF THE YOLK OF THE HEN'S EGG AS STUDIED BY ELECTRON MICROSCOPY : I. The Yolk of the Unincubated Egg
Ruth Bellairs
From the Department of Anatomy and Embryology, University College, London


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