. 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. 7.—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 t
. 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. 7.—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 into lacrimal frontal and nasal branches. The lacrimalbranch passes forward in a separate tube of dura mater, and enters supraorbital art. ?(-^^?«.^ ysupraorbital nerve palp, superioris?ctus superiorlachrymal gland supratrochlearnerve (ant. meningealart.). dclle meningealnerve Itary- ^ nerve ^x ^ - ^ middle meningeal\ \ artery spinous nerve abducens nerve,tentorial ncrve_trigeminal net mandibular nervesemilunar gangliotf Fig. 148.—The nerves and arteries of the orbit (superficial layer). The roof of theorbit, the periorbita, and the upper portion of the outer wall have been removed. Thedura mater has been divided along the middle meningeal artery and in the neighborhoodof the semilunar ganglion and of the orbital nerves. * = Accessory vessels to the lacri-mal gland from the zygomatico-orbital branch of the anterior deep temporal artery.** = Orbital fat. (Sobotta and McMurrich.) the orbit at the narrowest part of the sphenoidal fissure (Fig. 169);it then runs obliquely forward and outward above the upper bor
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