Abstract
In a previous communication Hiller and Tannenbaum1repeated and amplified the experiments of Claude Bernard, who considered, as a result of his piqure of the medulla, that a medullary sugar center existed. For the first time they most carefully controlled each factor in the piqure and concluded finally that an irritation of the dorsal vagus nucleus as a hypothetic center for sugar metabolism did not lead to an increase in blood sugar. Thus the age old conception of a medullary sugar center from physiologic evidence must be abandoned. In 1920, Brugsch, Dresel and Lewy2attacked the problem from another angle in order to obtain verification of their experiments confirming the presence of a sugar center in the medulla. They sought to show anatomically the intimate relationship between the vagus nerve, the sympathetic cervical trunk, the dorsal vagus nucleus and the visceral centers in the 'tween-brain. The purpose of
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