The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . point between the neck of the lower jaw and the meatus auditorius, whereit divides into the temporal and internal maxillary arteries (Fig. 474). Relations.—In front, the external carotid is crossed by the posterior bellyof the digastric, stylo-hyoid, and platysma myoid muscles; by the hypo-glossal nerve, near its origin; higher up it is situated in the substance of theparotid gland, and is crossed by the tacial nerve. Eehind, it is separatedfrom the internal carotid by the stjlo-pharyngeus
The international encyclopaedia of surgery; a systematic treatise on the theory and practice of surgery . point between the neck of the lower jaw and the meatus auditorius, whereit divides into the temporal and internal maxillary arteries (Fig. 474). Relations.—In front, the external carotid is crossed by the posterior bellyof the digastric, stylo-hyoid, and platysma myoid muscles; by the hypo-glossal nerve, near its origin; higher up it is situated in the substance of theparotid gland, and is crossed by the tacial nerve. Eehind, it is separatedfrom the internal carotid by the stjlo-pharyngeus and stylo-glossus muscles,the glosso-pharyngeal nerve, and a portion of the parotid gland. Operation.—Place the patient in the position directed for ligating thecommon carotid. Make an incision from a point midway between the angleof the jaw and the anterior border of the sterno-mastoid muscle, parallel toand three-eighths of an inch in front of the latter, to a point half an inchbelow the upper border of the thyroid cartilage. The skin, superficial fascia,. DELIGATION OF 474. 29S. Showing the surgical anatomy of the anterior superior cervical triangle. platysma, and deep fascia, having been carefully divided, the last threelaminfe on a grooved director, the operator encounters the facial and lingualveins, and not unfrequently one or two lymphatic ganglia. If these veinscannot be readily drawn aside, each of them is to be tied with two ligatures,and divided midway between these. The external carotid artery may nowbe found, crossed by the hypoglossal nerve, and by the stylo-hyoid and posteriorbelly of the digastric muscle. It should next be cautiously separated, bymeans of a director, from the internal carotid artery and internal jugularvein, both of which run closely along its outer side. Pass the needle fromwithout inward between the two carotids, carefully avoiding the internaljugular vein and the hypoglossal nerve. The operation of tying the externalcaroti
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishernewyo, bookyear1881
