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Updated: June 10, 2025
DISEASES RESEMBLING FOWL CHOLERA. There are a few diseases, such as septicaemia, limber neck and infectious enteritis, that are sometimes mistaken for fowl cholera. These diseases are caused by different microorganisms that may be found in the digestive tract and air-passages of healthy birds, insanitary conditions and decomposed feed, especially meat.
A second time Mrs. Delville bent over the child. Mrs. Hauksbee, her face still hidden, sobbed and shivered. One of the ayahs staggered sleepily into the room, yawning: 'Doctor Sahib come. Mrs. Delville turned her head. 'You're only just in time, she said. 'It was chokin' her when I came, an' I've burnt it. 'There was no sign of the membrane getting to the air-passages after the last steaming.
With the same fond pride with which a mother affects to complain of the care she lavishes upon her darling child would the old man speak of the time necessary to keep his six hundred lenses clear and spotless, each one being rubbed daily with softest doeskin saturated with rouge, to keep the windows of the lantern free from constantly accumulating saline incrustations, of the care with which the lamp, when burning, must be watched, lest intrusive fly or miller should drown in the great reservoir of oil and be drawn into the air-passages.
Howard's. This consists in emptying the thorax by forcibly compressing the lower part of the chest; on relaxing the pressure the chest again fills with air. Here the patient is placed in the supine position. The objections to the supine position are that the tongue falls back, and not only blocks the entrance of air, but prevents the escape of water, mucus, and froth from the air-passages.
Owing to the blocking of the air-passages the mouth is kept constantly open, greatly to the detriment of the throat and lungs.
Suetonius transmits the history of a young man, a son of the Emperor Claudius, who, in sport, threw a small pear into the air and caught it in his mouth, and, as a consequence, was suffocated. Guattani cites a similar instance of a man who threw up a chestnut, which, on being received in the mouth, lodged in the air-passages; the man died on the nineteenth day.
You must be aware that the lining of the upper air-passages arrests most of the impurities contained in the inhaled air before it comes into contact with the blood in the lungs themselves.
=Irritant Gases= are Nitrous acid gas; sulphurous acid gas; hydrochloric acid gas; chlorine; bromine; ammonia. They have the common property of causing irritation and inflammation of the eyes, throat, and air-passages, and may cause spasm of the glottis, bronchitis, and pneumonia. =Sulphurous Acid Gas.= One of the products of combustion of common coal.
As we walk down the streets, we see staring at us in large letters from a billboard, "Stop that Cough! It is Killing you!" Yet few things could be more obvious to even the feeblest intelligence, than that this "killing" cough is simply an attempt on the part of the body to expel and get rid of irritating materials in the upper air-passages.
But when it was discovered that the heart of man is constructed upon the recognised rules of hydraulics, and with its great tubes is furnished with common mechanical contrivances, valves; when it was discovered that the eye has been arranged on the most refined principles of optics, its cornea, and humours, and lens properly converging the rays to form an image its iris, like the diaphragm of a telescope or microscope, shutting out stray light, and also regulating the quantity admitted; when it was discovered that the ear is furnished with the means of dealing with the three characteristics of sound its tympanum for intensity, its cochlea for pitch, its semicircular canals for quality; when it was seen that the air brought into the great air-passages by the descent of the diaphragm, calling into play atmospheric pressure, is conveyed upon physical principles into the ultimate cells of the lungs, and thence into the blood, producing chemical changes throughout the system, disengaging heat, and permitting all the functions of organic life to go on; when these facts and very many others of a like kind were brought into prominence by modern physiology, it obviously became necessary to admit that animated beings do not constitute the exception once supposed, and that organic operations are the result of physical agencies.
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