Journal of Vascular Research
Research Paper
Network Anatomy of Arteries Feeding the Spinotrapezius Muscle in Normotensive and Hypertensive RatsSchmid-Schönbein G.W. · Firestone G. · Zweifach B.W.Department of Applied Mechanics and Engineering Sciences, Bioengineering, University of California at San Diego, La Jolla, Calif., USA
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Article / Publication Details
Received: December 26, 1984
Accepted: November 25, 1985
Published online: September 23, 2008
Issue release date: 1986
Number of Print Pages: 16
Number of Figures: 0
Number of Tables: 0
ISSN: 1018-1172 (Print)
eISSN: 1423-0135 (Online)
For additional information: https://www.karger.com/JVR
Abstract
An understanding of blood flow requires a detailed picture of vascular and microvascular anatomy. To this end an investigation of the arteries feeding the spinotrapezius muscle in normotensive and spontaneously hypertensive rats was performed. Arteries were dilated and filled with resin materials and analyzed quantitatively for their network pattern and vessel geometry. The results show that there exists extensive meshworks of interconnected arteries forming an interorgan plexus. The spinotrapezius muscle has multiple inflows from the thoracodorsal and intercostal arteries which interconnect in an arcade network in the muscle. Some but not all arteries of hypertensive rats are narrower in the dilated state at 100 mm Hg inflation pressure than their controls. Arterioles within the muscle proper, however, are not significantly different, suggesting that lumen narrowing of structural origin is progressively reduced towards the microcirculation.
© 1986 S. Karger AG, Basel
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Article / Publication Details
Received: December 26, 1984
Accepted: November 25, 1985
Published online: September 23, 2008
Issue release date: 1986
Number of Print Pages: 16
Number of Figures: 0
Number of Tables: 0
ISSN: 1018-1172 (Print)
eISSN: 1423-0135 (Online)
For additional information: https://www.karger.com/JVR
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