Vagal and Sympathetic Innervation of the Stomach in the Skate

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Abstract
The distribution of autonomic nerves to the gastro-intestinal tract in Raja diaphanes and R. stabuliforis is described and figured. Stimulation of the vagus or of the anterior splanchnic nerve produces movements of the stomach, much stronger for the latter nerve. Stimulation of first one nerve, then the other, results in a summation of the two effects. Stimulation (if weak) of a branch of the vagus produces local contraction only. Atropine stimulates stomach movements without interfering with the effects of nerve stimulation. Small doses of adrenaline in lateral vein produce movements in same order as after stimulation of the sympathetic (anterior splanchnic).

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