ELECTROMYOGRAPHIC STUDIES ON THE EFFECT OF TRANSECTION-ANASTOMOSIS OF GOAT ABOMASUM

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The four bipolar electrods were chronically sutured on the serosa of pylorus of four female goasts (29-36kg in weight): from oral, electrod No.1, No.2, No.3, No.4. Electromyograms of abomasum were recorded before and after transection-end-to-end anastomosis of pylorus (between No.2 and No.3 electrods). The results are summarized as follows: 1. Before transection- anastomosis, anti-peristaltic discharge was not found in the pylorus. 2. After the anastomosis, prolonged discharge interval of peristalses and anti-peristalticdischarges occured in the upper part of the anastomosis (No.1 and 2). 3. In the lower part of the anastomosis (No.3 and 4), prolonged discharge interval of peristalses occured in all four goats, but anti-peristalic discharges were found in three goats. 4. Propagation velocity of anti-peristalic discharges became more faster than that of normo-peristalses.
日本平滑筋学会の論文