| A scanning electron microscopic study of the ferret atrioventricular node. | |
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MedLine Citation:
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PMID: 7446436 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The atrioventricular (AV) node and surrounding transitional zone in the ferret heart were examined with scanning electron microscopy. This permitted the direct visualization of the three-dimensional cell shape, as well as intercellular relationships. Transitional cells were roughly cylindrical with extensively branching end processes. These cells were apposed to many adjacent transitional cells. The superficial AV nodal cells were smaller than transitional cells and were fusiform in shape. Most of the cell contacts between superficial AV nodal cells were between overlapping end processes, and there was very little branching of these cells. The deep AV nodal cells were similar to the superficial AV nodal cells, but were slightly larger and also had more cell contacts with adjacent cells. The possible significance of cell sizes and shape and intercellular relationships as they relate to atrioventricular impulse propagation and AV nodal delay are discussed. |
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Authors:
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T A Marino |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: The American journal of anatomy Volume: 158 ISSN: 0002-9106 ISO Abbreviation: Am. J. Anat. Publication Date: 1980 Jul |
Date Detail:
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Created Date: 1981-02-24 Completed Date: 1981-02-24 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 0376312 Medline TA: Am J Anat Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 345-53 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Atrioventricular Node / ultrastructure* Carnivora / anatomy & histology* Female Ferrets / anatomy & histology* Heart Conduction System / ultrastructure* Microscopy, Electron, Scanning |
| Grant Support | |
ID/Acronym/Agency:
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SO7RR05373/RR/NCRR NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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