. 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. etrates the overlying mucous membrane and reaches in effectivestrength the underlying nerves. (See discussion of the use of concen-trated solutions upon mucous surfaces in chapter on Principles ofTechnic.) By a study of the accompanying illustrations, showing the courseand distribution of the nerve supply, a knowledge of regional methodshere is readily obt
. 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. etrates the overlying mucous membrane and reaches in effectivestrength the underlying nerves. (See discussion of the use of concen-trated solutions upon mucous surfaces in chapter on Principles ofTechnic.) By a study of the accompanying illustrations, showing the courseand distribution of the nerve supply, a knowledge of regional methodshere is readily obtained (Figs. 241, 242, 243, 244). THE ORGANS OF SPECIAL SENSE WITH DENTAL ANESTHESIA 593 The presence of scar tissue occasionally found in the septal mucosa,the result of previous disease (small-pox, etc.) or injury, may renderthe production of perfect anesthesia by means of applicators such cases resort must be had to infiltration; this however, is rarelynecessary. sphenoid bone oj nasa, nasopalatine nerve septumfsphe- cribriform plate post, of nasal ? «.-•.>-,, / apt. ethmoidal artery anterior ethmoidal nerve anterior meningeal art. X actory nerves(medial)anter. art. ofnasal septum. greater coma Hyoglossus Mylohyoideus X(jeniohyoideus xI hypoglossal nerve Xdeep lingual art. Fig. 241.—The nerves and arteries of the nasal septum and of the tongue. * =divided posterior pharyngeal wall. ** = sphenoidal sinus. (Sobotta and McMur-rich.) When using infiltration, Killian recommends a regional anesthesiablocking the septal nerves. He makes the injection at two points—(i)just anterior to the tuberculum septi in an upward direction, and (2)at a point just below the middle of the lower border of the middle tur-binate (Fig. 245). 3S 594 LOCAL ANESTHESIA The Inferior Turbinate.—This is anesthetized in much the same wayas the septum, except that greater difficulties are usually encountered,particularly when it is large, overhanging, and
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