Document Detail


Gross and subgross anatomy of bronchial circulation in sheep.
MedLine Citation:
PMID:  6490455     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The anatomy of the bronchial artery in sheep has recently been described. However, the course of the bronchial veins has not been well established. It has been suggested that the bronchial veins are the major site of fluid leakage following histamine infusion, and it has been postulated that the bronchial circulation may play a role in fluid reabsorption. We studied the anatomy of the bronchial circulation in 18 sheep with emphasis on bronchial venous drainage and bronchopulmonary communications. Following anesthesia animals were heparinized and exsanguinated. Evans blue dye was infused into the bronchial artery in six sheep and the gross and subgross anatomy of the bronchial circulation studied. In six other sheep the bronchial artery, pulmonary artery, and tracheobronchial tree were filled with Batson's solution of varying colors. The subgross anatomy was studied under a dissecting microscope, and samples were taken for scanning electron microscopy. In six separate sheep we studied the anatomy of the proximal vein by infusing dye directly into the vein and found that the extrapulmonary bronchial blood drained into the left azygos vein via a single vessel. Intrapulmonary bronchi are surrounded by a dense bronchial microvascular plexus which drains into the pulmonary vessels at the precapillary level.
Authors:
N B Charan; G M Turk; R Dhand
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of applied physiology: respiratory, environmental and exercise physiology     Volume:  57     ISSN:  0161-7567     ISO Abbreviation:  J Appl Physiol Respir Environ Exerc Physiol     Publication Date:  1984 Sep 
Date Detail:
Created Date:  1984-11-30     Completed Date:  1984-11-30     Revised Date:  2013-09-26    
Medline Journal Info:
Nlm Unique ID:  7801242     Medline TA:  J Appl Physiol Respir Environ Exerc Physiol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  658-64     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Bronchi / blood supply*
Bronchial Arteries / anatomy & histology*
Capillaries / analysis
Coloring Agents
Microscopy, Electron, Scanning
Pulmonary Artery / anatomy & histology
Regional Blood Flow
Sheep / anatomy & histology*
Veins / anatomy & histology
Chemical
Reg. No./Substance:
0/Coloring Agents

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


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