Anat. and Path. Pl. vagi. [a. L. vagus wandering, straying.] The pneumogastric nerve (see PNEUMOGASTRIC a.).

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1840.  E. Wilson, Anat. Vade M. (1842), 403. The Pneumogastric Nerve (vagus) arises by numerous filaments from the respiratory tract immediately below the glosso-pharyngeal.

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1876.  Trans. Clinical Soc., IX. 96. I endeavoured to compress the right vagus at the angle of the jaw.

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1899.  Allbutt’s Syst. Med., VII. 773. Some fibres of the vagus pass to the intestines.

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  b.  attrib. in vagus nerve, etc.

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1856.  Todd & Bowman, Phys. Anat., II. 119. The Vagus Nerve emerges from the Medulla oblongata immediately below the glosso-pharyngeal.

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1896.  Allbutt’s Syst. Med., I. 328. Atropine paralyses the vagus endings and centre. Ibid. (1897), IV. 631. Vagus pneumonia, as it is called, which follows section of the vagi in rabbits.

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