. Diseases of cattle, sheep, goats and swine. Veterinary medicine. SEMIOLOGY OF THE DIGESTIVE APPARATUS. 109 %Yith or without the formation of false membranes, and of ulcerations, polypi, etc. (Esophagus. In consequence of its anatomical formation, situation and course, the cesophagus may be divided into two distinct parts—viz., the cervical, ^^hich can be examined from the outside, and the thoracic, which cannot so be examined. The cervical part may be examined by inspection, by palpation from one side, or by palpation with both hands and from both sides. Inspection leads to the detection of
. Diseases of cattle, sheep, goats and swine. Veterinary medicine. SEMIOLOGY OF THE DIGESTIVE APPARATUS. 109 %Yith or without the formation of false membranes, and of ulcerations, polypi, etc. (Esophagus. In consequence of its anatomical formation, situation and course, the cesophagus may be divided into two distinct parts—viz., the cervical, ^^hich can be examined from the outside, and the thoracic, which cannot so be examined. The cervical part may be examined by inspection, by palpation from one side, or by palpation with both hands and from both sides. Inspection leads to the detection of changes in the shape of the oesophagus and of the jugular furrow. In fat subjects, however, it is of. Fia. 59.—Examination of the pliarjT little value. As the position and the course of the cesophagus are known, unilateral palpation, or, better still, bilateral palpation, employing both hands, is of very much greater service. These methods reveal the presence of swellings, infiltrations, changes in shape and sensibility, the presence of foreign bodies, the existence of dilatations or contractions of the tube, etc. Auscultation and percussion, though recommended by some prac- titioners, are not of much service. Inability to swallow, due to change in the cesophagus, is also detected by insi^ection. Its existence suggests a number of possible conditions, such as fissure or ulceration of the oesophagus, compression in the mediastinal region as a result of tuberculous or other disease, contraction or dilatation of the oesophagus, etc. Furthermore, inspection will betray. 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, Jno. A. W. (John A. W. ), joint author. New York, W. R. Jenkins
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