Excessive gastric retention by vagotomized rats and rabbits given a solid diet

Biomagnetic detection of gastric electrical activity in normal and vagotomized rabbits.

We recorded the vector magnetogastrogram (MGG) due to gastric electrical activity (GEA) in normal rabbits using a Superconducting QUantum Interference Device (SQUID) magnetometer and measured the degree of correlation of the MGG with 24 channels of serosal electrodes. The vector magnetometer allows us to non-invasively record three orthogonal magnetic field components and project the recorded m...

The respiratory action of phenyl diguanide in vagotomized rabbits.

In anaesthetized rabbits phenyl diguanide not only stimulates breathing (rapid shallow breathing) by a vagal reflex from lung J-receptors, but also causes a similar response in bilateral vagotomized animals. Injection of the drug into different parts of the circulation indicates that the main non-vagal response of breathing arises from areas supplied by the vertebral arteries, presumably in the...

A L PRODUCTION OF PYLOROSPASM AND GASTRIC RETENTION IN RATS BY FREDERICK HOELZEL ANn

Pylorospasm and gastric retention in man have been regarded as important factors in the genesis of peptic ulcers (1) but the factors controlling pyloric function and gastric evacuation have continued to remain more or less obscure (2). Attempts to produce pylorospasm in dogs do not seem to have met with success (lb). Our own study of the subject began in an at tempt to determine whether the gas...

Experimental Production of Pylorospasm and Gastric Retention in Rats

1. A method was found whereby the development of gastric retention could be studied in intact animals without the necessity of recourse to the use of x-rays. 2. Gastric retention was found to develop as a result of protein restriction in 7 out of 10 rats studied. Such retention could again be cleared up with protein realimentation or by allowing the animals free choice of protein, fat and carbo...

Iron retention by rats. Effect of cold-provoked increased ingestion of a lactose-rich diet.