. Diseases of cattle, sheep, goats and swine. Veterinary medicine. EXAMINATION OF THE RESPIRATORY APPARATUS. 313 Inspection sometimes reveals deformity of the external wall of the sinus. Such deformity, however, is rare, and Moussu has only observed it in two cases of tuberculosis of the bones forming the cranial wall. By percussion one detects abnormal sensibility, and partial or com- plete dulness over certain areas. Maxillarij sinus.—The maxillary sinus occupies the whole lateral. Fig. 164.—General arrangement of the sinuses. The chcular openmgs mdicate points at which trepanation is perfor
. Diseases of cattle, sheep, goats and swine. Veterinary medicine. EXAMINATION OF THE RESPIRATORY APPARATUS. 313 Inspection sometimes reveals deformity of the external wall of the sinus. Such deformity, however, is rare, and Moussu has only observed it in two cases of tuberculosis of the bones forming the cranial wall. By percussion one detects abnormal sensibility, and partial or com- plete dulness over certain areas. Maxillarij sinus.—The maxillary sinus occupies the whole lateral. Fig. 164.—General arrangement of the sinuses. The chcular openmgs mdicate points at which trepanation is performed. region of the face, from the inferior extremity of the maxillary sj^ine as far as the sub-orbito-palatine region. In front its external wall is very solid, but behind, below the orbit, is extremely thin. Ex- ternally the sinus is largely protected by the anterior insertion of the external masseter muscle, a fact which explains how rarely it is injured. Larynx. In consequence of its deep situation, the larynx can. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Moussu, Gustave, 1864-; Dollar, John A. W. , joint author. New York, W. R. Jenkins
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