. Local and regional anesthesia; with chapters on spinal, epidural, paravertebral, and parasacral analgesia, and other applications of local and regional anesthesia to the surgery of the eye, ear, nose and throat, and to dental practice. Fig. 146—Diagram of the fifth cranial nerve. (From Flower.) It is for this reason that the minutiae and details of anatomy havebeen discussed so thoroughly in the following pages; for my ownpart this study has been of immense value in developing any pro-fiency I may have attained in this field and I cannot too stronglyurge the necessity of its careful study to
. Local and regional anesthesia; with chapters on spinal, epidural, paravertebral, and parasacral analgesia, and other applications of local and regional anesthesia to the surgery of the eye, ear, nose and throat, and to dental practice. Fig. 146—Diagram of the fifth cranial nerve. (From Flower.) It is for this reason that the minutiae and details of anatomy havebeen discussed so thoroughly in the following pages; for my ownpart this study has been of immense value in developing any pro-fiency I may have attained in this field and I cannot too stronglyurge the necessity of its careful study to all who seek success here. 5IO LOCAL ANESTHESIA Nowhere else in the entire range of local anesthesia is it more stronglyemphasized that there is no royal road to success in local anesthesiaand that the only education in this field is self-education. parietal br. of stiperf. ... f -^ - ,temper, art. , -^//^^y^ Jin. of supraorbital nervefrontal br, of Siiperf,ytemporat art. brs. of zyeoinotiw-temporal mJ^rontalis nygomatico-orbitnl sttperf. temporalbrs of anricntoi,.temporal nerveperfor. br. of post,aiiricul. art. ,auricular br. of br. of facial nervetransverse facial arl.^zygomatic branch offacial <intenor facial vein Fig. 147.—Superficial nerves and arteries of the face (deeper layer). Most of theparotid gland is removed. The facial muscles have been cut away, divided, or drawndownward. (Sobotta and McMurrich.) The Fifth Nerve and Its Branches (Figs. 146, 147).—The ophthal-mic or first division of the fifth (Fig. 148) is a sensory nerve, supply-ing the eyeballj mucous lining of the eye, lacrimal gland, nasal fossa,the skin of the nose, forehead, and front portion of the vertex. Afterleaving the gasserian ganglion it passes forward along the outer wallof the cavernous sinus, below the other nerves, wliich pass here (Fig. THE HEAD, SCALP, CRANIUM, BRAIN, AND FACE 511 215), and just before entering the orbit through the sphenoidal fissuredivides int
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