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Distribution of the Ninth, Tenth, and Eleventh Pairs of Nerves on the Left Side: l.Gasserian gan-
glion of fifth nerve; 2, internal carotid artery, ;i, pharyngeal branch of pueuniogastric; 4. glosso-
jibaryngeal nerve; 5, lingual nerve (fifth) ; 6, spinal accessory nerve; 7, middle constrictor of
pharynx; s, intern;il jugular vein (cut) ; 9. superior laryngeal nerve; 10. ganglion of trunk of
pneuniogastric nerve; 11, hypoglossal nerve (cuti on hyo-glossus muscle; 12, ditto (cut), commu-
nicating with eighth and tir.--t cervical nerve; lo, exteinal laryngeal nerve: 14, second cervical
nerve, lunping with first; 15, pharyngeal i)lexus on inlerioi- constrictor ; Ki, superior cervical gan-
glion of sympathetic : IT, su|)erii)i' cardiac nerve of pneuinogastric; 18, third cervical nerve; 19,
thyroid body ; 20, fourth cervical nerve ; 21, 21, left recurrent laryngeal nerve ; 22, spinal accessory
communicating with cervical nerves; 2.'?. trachea ; 24, middle cervical ganglion of sympathetic;
2f). middle cardinc nerve of pneuniogastric; 2(>, phrenic nerve (cut); 27, left carotid artery (cut);
28. brachial plexus; 29, phrenic nerve (cut): HO, inferior cervical ganglion of sympathetic; 31, pul-
monary plexus of pneuniogastric; :i2, [arch of the] thoracic aorta: 3:^, a'sophageal plexus; 34,
vena azygos superior; 3."i, vena azygos minor; 'M, gangliated cord of sympathetic.
important branch, and pa.sses over tlie fsnrface of the ijanglion, many of
its fibres Ixn'ominij involved in the pharvni>;eal and larvngeal branches
of tiie pncumojz;astric nerve, the remaiiuhn- nnitinti; ^vitll the main trunk
and passing to the cardiac and inferior laiynueal nerves.