Anat. and Path. Pl. vagi. [a. L. vagus wandering, straying.] The pneumogastric nerve (see PNEUMOGASTRIC a.).
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.
1876. Trans. Clinical Soc., IX. 96. I endeavoured to compress the right vagus at the angle of the jaw.
1899. Allbutts Syst. Med., VII. 773. Some fibres of the vagus pass to the intestines.
b. attrib. in vagus nerve, etc.
1856. Todd & Bowman, Phys. Anat., II. 119. The Vagus Nerve emerges from the Medulla oblongata immediately below the glosso-pharyngeal.
1896. Allbutts 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.