Abstract
The effect of certain drugs upon simultaneous electrograms and myo-grams obtained from isolated intestinal transplants was noted. Epinephrine and atropine produced a cessation of the nryogram but not the electrogram. Eserine and ergotamine both increased the amplitude of the myo-gram. Nicotine caused a temporary cessation of both and diminished the rates. The other drugs did not greatly alter the rates. No drug altered the time relationship between the electrogram and myogram.

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