[Evaluation of the biliary excretion of penicillin G. (author's transl)].

Biliary excretion of penicillin G was studied experimentally by perfusion of isolated rabbit liver. Under these conditions, bile recovery accounted for 5% of the amount of penicillin G added to the perfusing blood (10 mg); peak biliary level averaged 135.3 micrograms/ml.

[Relationship between intestinal motility and absorption. Electromyographic study in the dog. (author's transl)].

The effects of different food components on intestinal motility were studied by means of an electromyographic technique. The electrical activity of the small intestine in the fasted state consists of a cyclic recurring phenomenon - the myoelectric complex - which is inhibited by feeding. The duration of inhibition of the myoelectric complex was shown to depend on the nature of the food components (glucose, peptides or lipids) as well as on the caloric load.

Specific effects of different food components on intestinal motility. Electromyographic study in dogs.

Interdigestive intestinal myoelectric activity is characterized by repetitive aborally migrating complexes which are inhibited by feeding. The aim of the present work was to study the effects of different food components on the duration of inhibition of the myoelectric complex and on the number of spike potentials during this period. 4 dogs were prepared for chronic recordings with electrodes implanted on the jejunum and an alimentary cannula placed into the duodenum.