. The anatomy of the domestic animals. Veterinary anatomy. 806 NERVOUS SYSTEM OF THE HORSE The left vagus nerve (Fig. 553) enters the thorax on the lateral or the ventral face of the cesophagiis, crosses obliqiielj' under the left brachial artery-, and passes back on the lateral surface of that vessel in company with a large cardiac nerve.^ Separating from the latter, the vagus continues backward on the left face of the Lig. niichiT Splenius iV uchal fat Branch of occipital artery Complexus. Spi?ial accessory nerre (dorsal branch) Brachto- /_ ccphalica.^ dijus Slcrno-ccphalicus Omo-hyoidcus an
. The anatomy of the domestic animals. Veterinary anatomy. 806 NERVOUS SYSTEM OF THE HORSE The left vagus nerve (Fig. 553) enters the thorax on the lateral or the ventral face of the cesophagiis, crosses obliqiielj' under the left brachial artery-, and passes back on the lateral surface of that vessel in company with a large cardiac nerve.^ Separating from the latter, the vagus continues backward on the left face of the Lig. niichiT Splenius iV uchal fat Branch of occipital artery Complexus. Spi?ial accessory nerre (dorsal branch) Brachto- /_ ccphalica.^ dijus Slcrno-ccphalicus Omo-hyoidcus and slcrno-liyaiilvn inal accessory 7ierve (dorsal ) Ricliis capitis n tilriilis major Jiiijidar vein Tliyro-laryngeal \ artery '\— Anterior cervical lymph glands Tlij/rcdd Stcrno-thyroidcus Fig. 649.—CRoag-sECTioN of Neck of , Passing throttgh Posterior Part of Atlas. The head and neck were extended, i, Dorsal arch of atlas; S, dens of axis; ii, hgament of dens; 4. vertebral sinuses; 5, dura mater; &\ spinal cord; 7, vertebral artery; 5, wing of atlas; 9, atlanto-axial joint cavity; 10, oesophagus; 11, 11, recurrent nerves; 13, 12, ventral branches of spinal accessory nerves. By an oversiglit the obUqutls cap. post, (above wing of atlas) is unmarked; also the parotid gland between the jugular and external maxillary vein. aorta, inclines to the upper surface of tlic left bronchus, and divides into dorsal and ventral brandies. The dorsal and ventral Ijranches unite with the corresponding brandies of the opposite nerve, thus forming dorsal and ventral oesophageal trunks (Truncus • In some cases the left vagus passes back below the junction of tlie jugular veins and the termination of the left brachial vein. It then runs backward and somewhat dorsally across the left face of the anterior vena cava to reach its usual Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectveterinaryanatomy
