Affiliations: Departments of Mechanics and Hydraulics and of Internal Medicine, The University of Iowa, Iowa City, IA 52242
Note: [*] Professor, Dept. of Mechanics and Hydraulics; Research Engineer, Iowa Institute of Hydraulic Research.
Note: [**] Adjunct Assistant Professor, Dept. of Mechanics and Hydraulics; Research Engineer, Iowa Institute of Hydraulic Research.
Note: [***] Professor, Dept. of Internal Medicine; Director, Division of Gastroenterology.
Abstract: Longitudinal motility of the small intestine is an instance of smooth muscle activity. Its correlation with the characteristics of the electrical slow wave of the intestine is of fundamental importance in understanding the behavior of the intestine and its functions. From a fluid-mechanical point of view, the small intestine is an organ which acts on the chyme in its interior to generate several flow processes which are deterministically related to the wall motion. In this paper, a simple model for the longitudinal motion of the intestinal wall is formulated and applied to predict the behavior of the intestine in a particular experimental situation. Theoretical results and data from in vitro experiments in which purely longitudinal motility was obtained show a satisfactory agreement.
DOI: 10.3233/BIR-1975-12607
Journal: Biorheology, vol. 12, no. 6, pp. 369-376, 1975
