Abstract
The influence of electrical stimulation of the medulla oblongata and associated structure on gastric motility of anesthetized and non-anesthetized dogs was studied.
Increase in gastric motility was observed on stimulation of the dorsal nucleus of the vagus, the solitary tract and its nucleus and the dorsal region of the reticular formation.
Inhibition of gastric motility was obtained on stimulation of the solitary tract and its nucleus, the dorsal region of the reticular formation and the dorsal nucleus of the vagus.
The efferent pathways for excitatory effects from the medulla oblongata were not only the vagus nerves but also the splanchnic nerves. The efferent pathways for inhibitory effect were also the splanchnic nerves and the vagus. Diagram presented in FIG.7 illustrates the regulation center upon the excitatory and inhibitory centers for stomach motility and the efferent pathways from them to the stomach.
