The science and art of surgery : being a treatise on surgical injuries, diseases, and operations . has been recommended for these purposes by Demarquay,and has been performed in this country by Moore and C. Heath. The lingual artery may be exposed and tied in the following manner. The artery is reached with most certainty in the digastric triangle ofthe neck, where it lies beneath the h30-glossus muscle. A curved inci-sion from close to the symph3si8 menti, reaching down to the level ofthe h^^oid bone, and prolonged upvvards to near the angle of the jaw,will expose the lower border of the subm
The science and art of surgery : being a treatise on surgical injuries, diseases, and operations . has been recommended for these purposes by Demarquay,and has been performed in this country by Moore and C. Heath. The lingual artery may be exposed and tied in the following manner. The artery is reached with most certainty in the digastric triangle ofthe neck, where it lies beneath the h30-glossus muscle. A curved inci-sion from close to the symph3si8 menti, reaching down to the level ofthe h^^oid bone, and prolonged upvvards to near the angle of the jaw,will expose the lower border of the submaxillary gland. This beingdrawn up, the central tendon of the digastricus and posterior edge ofthe ra3do-h3oideus will be brought into view, and the liypoglossal nervewith a vein will be seen lying horizontally upon the h3o-glossus structures being drawn np out of the way, the fibres of the hyo-glossus must be divided horizontall3^ about a quarter of an inch above 506 DISEASES OF THE MOUTH AND THROAT. the liyoicl bone, when the lingual artery will at once come into view(Fig. 623).. Fig. 623.—Ligature of Liagual Avtery. Operations on the Tongue.—Tlie operations that are practised onthe tongue when it is affecterl by cancer consist in the removal of a por-tion of the organ only, or its complete extirpation from the hyoid bone,according to the situation of the disease and the extent to which thetonoue is implicated. Unless the disease can be very fully and freely extirpated, it is betternot to attempt any operation; for in no organ is there a greater ten-dency to recurrence of cancer tlian in the tongne. No operation shouldbe undertaken when the disease extends to the floor of the mouth,implicates the arches of the palate, or has largely infiltrated the sub-maxillary glands. Three methods of operation may be employed when a portion onlyof the tongne has to be removed—viz., by tlie ligature, the ecrasenr, orthe knife. When the extirpation of the whole organ is de
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