. Local and regional anesthesia : with chapters on spinal, epidural, paravertebral, and parasacral analgesia, and on other applications of local and regional anesthesia to the surgery of the eye, ear, nose and throat, and to dental practice. skull with zone of anesthesia. (From Braun.) As the occipital nerves are several in number, and reach the scalpat different points, they may be dealt with collectively. If a line ofanesthesia (solution No. 2, with 5 drops adrenalin to the ounce) isproduced, extending from ear to ear across the base of the mastoidprocesses, and carried well down to the deep
. Local and regional anesthesia : with chapters on spinal, epidural, paravertebral, and parasacral analgesia, and on other applications of local and regional anesthesia to the surgery of the eye, ear, nose and throat, and to dental practice. skull with zone of anesthesia. (From Braun.) As the occipital nerves are several in number, and reach the scalpat different points, they may be dealt with collectively. If a line ofanesthesia (solution No. 2, with 5 drops adrenalin to the ounce) isproduced, extending from ear to ear across the base of the mastoidprocesses, and carried well down to the deep tissues, it will block allbranches of the occipital nerves, as well as branches from the auricularismagnus, and result in an anesthetic area, as indicated in Fig. 149 (thewhite line shows the fine of infiltration), or the nerves may be dealtwith more or less individually in the following way: The occipitalis major and minor and the auricularis magnus may 478 LOCAL ANESTHESIA be blocked by making injections at their points of emergence at theocciput (Fig. 150); the occipitalis minor and auricularis magnus behind great occipital tieroccipital vessel: Occipitalis occipital artery rent occipital nerveoccipital veintfsscr occipital nerve. descend. Or. oftransv. cervicaldesettitt. be, of tr TrapeziusDeltoidei Latissiiniidorsi posterior cutancon s branches of intercostal runts- Fig. 149.—The superficial and middle layer of the nerves and vessels of the nuchalregion. Upon the left side the trapezius, sternocleidomastoideus, splenius, and levatorscapula? have been divided. * = Occipital root of external jugular vein. (Sobotta andMcMurrich.) the posterior margin of the insertion of the sternocleidomastoid. Theoccipitalis major emerges upon the surface of the occiput through a THE HEAD, SCALP, CRANIUM, BRAIN, AND FACE 479 cleft in the trapezius muscle, along with the occipital artery, the thirdoccipital, sometimes an independent nerve, passing slightly nearerthe midline; to reach both
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