Myoelectrical responses of pyloric antrum to GABAergic agents in conscious sheep.

The role of GABA receptors in the control of abomasal motility was examined electromyographically in four conscious ewes by injecting intracerebroventricularly and intravenously selective GABA(A)- and GABA(B)-receptor agonists and antagonists. The study indicated that the stimulation of the GABA(B) receptors results in an inhibition of the antral motility via central mechanisms.