抄録
It is well known that the action potentials of the gastrointestinal smooth muscles consist of two components; the spike and slow waves, and the spike waves usually superimpose on the slow waves.
Our studies were made of recording the E. M. G. from the gastrointestinal smooth muscles in dog, cat and guinea-pig, with suction electrode method and DC amplifier.
Significant differences of myographic patterns at various portions of the gastrointestinal tract were clearly demonstrated with configuration, amplitude and frequency of the slow waves, but not of the spike waves. Also the slow waves were extremely important in clarifying the response of the smooth muscles to various pathophysiologic stimuli such as local anesthesia, general hypothermia, denervation and reimplantation.
