A text-book on diseases of the ear, nose and throat . extending from thetip to the root; and the sella nasi, or saddle of the nose, which is thedepression where the back of the nose joins the forehead. The alee nasi,or wings of the nose, are bounded above by a furrow called the sulcusalaris, below by the opening of the nostril, and posteriorly by the groovebetween the nose and cheek, called the sulcus nasolabialis. The internalboundary of the nostrils is formed by the i^onticulus nasi, which formsthe lower border of the nasal septums unattached portion. Skeleton of the External Xose.—This cons
A text-book on diseases of the ear, nose and throat . extending from thetip to the root; and the sella nasi, or saddle of the nose, which is thedepression where the back of the nose joins the forehead. The alee nasi,or wings of the nose, are bounded above by a furrow called the sulcusalaris, below by the opening of the nostril, and posteriorly by the groovebetween the nose and cheek, called the sulcus nasolabialis. The internalboundary of the nostrils is formed by the i^onticulus nasi, which formsthe lower border of the nasal septums unattached portion. Skeleton of the External Xose.—This consists of the nasal bones, thenasal processes of the superior maxillae, and the premaxillary portion ofthe upper jaw, the so-called pars incisiva. The nasal bones form the bridgeof the nose. They articulate above with the nasal process of the frontalbone ; their outer borders join the nasal processes of the upper jaw. Attheir inner margins the nasal bones join to form a median crest for junction 221 222 DISEASES OF THE NOSE AND NASOPHARYNX. Fig. with the nasal spine of the frontal bone above, below this with the verticalplate of the ethmoid bone and the septal cartilage. The posterior surfaceof the nasal bones presents a longitudinal groove for the nasal nerve. Theexternal surface of the nasal process of the superior maxilla is smooth 5its inner surface presents two crests for the attachment of the middle andinferior turbinated bones (crista conchalis superior et inferior). Above,the inner surface joins the ethmoid bone, closing a part of the anteriorethmoidal cells. The upi^er border of the nasal process of the upjper jawarticulates with the frontal, tlie anterior border with the nasal it articulates with the lachrymal bone in the lachrymalgroove. Below their junction with the nasal bones the nasal processesof the superior maxillae present a smooth, unattached margin which extends concavely downward to the alve-olar process. The pars i^rsemaxillaris of ea
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Keywords: ., bookcentury1900, bookdecade1900, bookidtextbookondi, bookyear1901
