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We designed a model of small intestinal obstruction in rats to investigate changes in intestinal contractility associated with the immunologically activated components in the tunica muscularis. Although histochemical study did not reveal any typical inflammatory signs such as leucocyte infiltration in the distended intestinal regions of model rats 2-3 weeks(More)
Macrophages within the murine tunica muscularis were isolated and cultured for physiological studies. Following dispersion, macrophages were identified by phagocytotic activity of fluorescein isothiocyanate (FITC)-dextran. Immediately following isolation, macrophages were rounded and possessed fluorescent granula but developed a ramified shape after 3-4(More)
BACKGROUND The colon undergoes distension-induced changes in motor activity as luminal contents or feces increase wall pressure. Input from enteric motor neurons regulates this motility. Here we examined stretch-dependent responses in circular muscle strips of murine colon. METHODS Length ramps (6-31μm s(-1) ) were applied in the axis of the circular(More)
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