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Updated: June 20, 2025
Division of the carotid artery is fatal, and of the internal jugular vein very dangerous on account of entrance of air. Wounds of the larynx and trachea are not necessarily or immediately dangerous, but septic pneumonia is very apt to follow. Wounds of the throat inflicted by suicides are commonly situated at the upper part, involving the hyoid bone and the thyroid and cricoid cartilages.
The trachea and bronchi are tubes, furnished with cartilaginous rings to keep them from collapsing. They are lined with mucous membrane. The bronchi give off branches, which in turn divide and subdivide, until they become very fine. Upon the last subdivisions are clustered many cells or vesicles.
One of the latest and most valuable contributions to the subjects, is a paper read before the Royal Irish Academy, on the 18th of Feb., 1847, by Professor HARRISON, who had the opportunity of dissecting an Indian elephant which died of acute fever; but the examination, so far as he has made it public, extends only to the cranium, the brain, and the proboscis, the larynx, trachea, and oesophagus.
After the suppuration, I have tried them in vain. "As soon as the nature of the tumor is clearly developed, I generally attempt its removal, and, when most prominent by the side of the larynx, I proceed in the following manner: Having cast the beast, turned the occiput toward the ground, and bolstered it up with bundles of straw, I proceed to make an incision through it, if the skin is free, parallel with, and over, and between the trachea and sterno-maxillaris, extending it sufficiently forward into the inter-maxillary spaces.
It is formed by a series of cartilaginous rings joined together at their borders by ligaments and lined by a mucous membrane. The bronchial tubes resemble the trachea in structure.
A feather was then introduced in the wound with the hope that it would clean the trachea and provoke respiration; when the feather was withdrawn the bean followed. The child was much asphyxiated, however, and five or six minutes elapsed before the first deep inspiration. The wound was closed, the child recovered its voice, and was well four days afterward.
He further declares that the vocal cords have nothing to do with tone that it is produced by vibration of the mucous membrane of the trachea, larynx, pharynx, mouth; in fact, all of the mucous membrane of the upper half of the body.
*Air Passages.*—The air passages consist of a system of tubes which form a continuous passageway between the outside atmosphere and the different divisions of the lungs. The air passes through them as it enters and leaves the lungs, a fact which accounts for the name. Left nostril. 2. Pharynx. 3. Tongue and cavity of mouth. 4. Larynx. 5. Trachea. 6. Esophagus.
With every inhalation, air is sucked in through the windpipe or trachea, which terminates in two tubes called bronchi, one leading to the right lung, one to the left. The air is then distributed over the lungs through a network of minute tubes, to the air cells, which are separated by only a thin membrane from equally fine and minute blood vessels forming another network of tubes.
At its entrance into the chest, the trachea divides into two branches, which are called bronchial tubes, and which run, one into the right lung, the other into the left. You sometimes hear people talking about bronchitis. It is an inflammation of these bronchial tubes, which are within an inch or two of the lungs.
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