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  • Title: Origin of the adrenergic nerve fibers in the subdiaphragmatic vagus in the dog.
    Author: Ahlman BH, Larson GM, Bombeck CT, Nyhus LM.
    Journal: Am J Surg; 1979 Jan; 137(1):116-22. PubMed ID: 758839.
    Abstract:
    The vagi at the subdiaphragmatic level were studied by the Hillarp-Falck technic in combination with a nerve crush procedure in three normal dogs and in eight dogs that had undergone previous surgical excision of the superior cervical ganglion and/or the stellate ganglia. Unilateral ganglionectomies were performed so that the contralateral vagus served as a control. Based on these results, it is concluded that: (1) the subdiaphragmatic canine vagus contains numerous adrenergic nerve fibers; (2) the main portion of these vagal adrenergic fibers arises from the stellate ganglia; and (3) removal of both the stellate and the superior cervical ganglia results in nearly complete adrenergic denervation of the abdominal vagus.
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