Document Detail


The ultrastructure of the cell types in the endocrine pancreas of the horse.
MedLine Citation:
PMID:  769989     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The islets of Langerhans of the equine pancreas were examined with the electron microscope after immersion or perfusion fixation. Five cell types could be distinguished after fixation by either technique: 1. A-cells, situated at the center of the islets, 2. B-cells, containing mostly "pale granules" and constituting the principal cell type of the periphery of the islets, 3. D-cells, also located mainly at the periphery of the islets, 4. G-cells, found at the edge of the islets and in the exocrine pancreas, and 5. S-cells, (small granule cells), which are relatively few in number and occur only in the islets. The function and age-dependent modifications of these cells are discussed. The formation of light and dark cells and of "mixed cells" are regarded as artifact, since cells of this type occur only under the condition of immersion fixation.
Authors:
A Forssmann
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Cell and tissue research     Volume:  167     ISSN:  0302-766X     ISO Abbreviation:  Cell Tissue Res.     Publication Date:  1976 Mar 
Date Detail:
Created Date:  1976-07-06     Completed Date:  1976-07-06     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  0417625     Medline TA:  Cell Tissue Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  179-95     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Aging
Animals
Cytoplasmic Granules / ultrastructure
Female
Histological Techniques
Horses / anatomy & histology*
Islets of Langerhans / ultrastructure*
Lipofuscin / analysis
Male
Chemical
Reg. No./Substance:
0/Lipofuscin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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