Abstract
1. Small-intestinal myoelectric activity in sheep: rebound excitation versus phase-3-like activity revealed by hexamethonium and atropine administration K. W. Romański Comparative Clinical Pathology CrossRef
Highlights
The migrating motor complex, migrating myoelectric complex (MMC) with its four consecutive phases, including the most characteristic phase I I I, have been described in detail in various animal species (Szurszewski, 1969; Code and Marlett, 1975; Ruckebusch and Bueno, 1977; Bueno and Ruckebusch, 1978b; Plaza et al, 1996a)
The obtained results suggest that the duodenum and the duodenal bulb in particular, is the most common but not the only site of initiation of phase I I I MMC in sheep
Spontaneous phase III MMC starting from a level below duodenal bulb has not been described in sheep
Summary
The migrating motor (myoelectric) complex, MMC with its four consecutive phases, including the most characteristic phase I I I , have been described in detail in various animal species (Szurszewski, 1969; Code and Marlett, 1975; Ruckebusch and Bueno, 1977; Bueno and Ruckebusch, 1978b; Plaza et al, 1996a). In these animals, the substantial differences in the mode of induction and character of MMC are related to the properties of the gastrointestinal tract and feeding conditions. The mechanisms controlling the pacemaker initiating phase III MMC in sheep are not well known
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