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Microvasculature of the Urinary Bladder of the Dog: A Study Using Vascular Corrosion Casting

Published online by Cambridge University Press:  11 April 2007

Fred E. Hossler  and
Race L. Kao
Fred E. Hossler
Affiliation:
Department of Anatomy and Cell Biology, Box 70582, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN 37614, USA
Race L. Kao
Affiliation:
Department of Surgery, Box 70575, James H. Quillen College of Medicine, East Tennessee State University, Johnson City, TN 37614, USA
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Abstract

The urinary bladder is an unusual organ in that its normal function includes filling and emptying with alternating changes in internal pressure. Although fluctuations in blood flow to the bladder wall are known to accompany these changes, detailed descriptions of the bladder microvasculature are sparse. The present study uses vascular corrosion casting and scanning electron microscopy to describe the three-dimensional anatomy of the microvasculature of the urinary bladder of the dog. Specialized features of that microvasculature, including collateral circulation, vessel folding, vessel orientation, the presence of valves and sphincters, and mucosal capillary density, that may enhance and control blood flow during normal bladder function, are described and discussed.

Keywords

vascular corrosion castingurinary bladderdogscanning electron microscopy
Type
BIOLOGICAL APPLICATIONS
Information
Microscopy and Microanalysis , Volume 13 , Issue 3 , June 2007 , pp. 220 - 227
Copyright
© 2007 Microscopy Society of America

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