. Kirkes' handbook of physiology . of the glosso-pharyngeal, by means of fibers to its jugular ganglion, with the spinal acces-sory, which supplies it with its motor fibers for the larger and upper portionof the esophagus, and with its inhibitory fibers for the heart; also with thetwelfth; with the superior cervical ganglion of the sympathetic; and with thecervical plexus. The parts supplied by the branches of the vagus are asfollows: 1. A large portion of the mucous membrane and probably all the musclesof the pharynx are supplied by its pharyngeal branches. 2. The mucous membrane of the under
. Kirkes' handbook of physiology . of the glosso-pharyngeal, by means of fibers to its jugular ganglion, with the spinal acces-sory, which supplies it with its motor fibers for the larger and upper portionof the esophagus, and with its inhibitory fibers for the heart; also with thetwelfth; with the superior cervical ganglion of the sympathetic; and with thecervical plexus. The parts supplied by the branches of the vagus are asfollows: 1. A large portion of the mucous membrane and probably all the musclesof the pharynx are supplied by its pharyngeal branches. 2. The mucous membrane of the under surface of the epiglottis, and ofthe greater part of the larynx, and the crico-thyroid muscle, by the superiorlaryngeal nerve. 3. The mucous membrane and muscular fibers of the trachea, the lowerpart of the pharynx and larynx, and all the muscles of the larynx except thecrico-thyroid are supplied by the injerior laryngeal nerve. It also suppliesthe first segment of the esophagus. THE TENTH NERVE, VAGUS OR PNEUMOGASTRIC NERVE 559. Fig. 390. Fig. 391. Fig. 390.—The Distribution of the Tenth or Vagus Nerve. , , Right and left vagi; r,ganglion of the root and connections with Sy., sympathetic, superior cervical ganglion; , glosso-pharyngeal; Ace, spinal accessory nerve; m, meningeal branch; Aur., auricular branch; t, ganglionof the trunk and connections with Hy., hypoglossal nerve; Ci, C2, loop between the first two cervi-cal nerves—Sy., sympathetic, Ace., spinal accessory nerve; Ph., pharyngeal branch; plexus; , superior laryngeal nerve; , internal laryngeal branch; externallaryngeal branch; , internal, and , external carotid arteries; Cai, superior cervical cardiacbranch; , inferior cervical cardiac branch; , recurrent laryngeal nerve; Ca3, cardiacbranches of recurrent laryngeal nerve; Ca4, thoracic cardiac branch (right vagus); , an-terior, and , posterior pulmonary plexuses; esophageal plexus;
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