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Updated: May 20, 2025
Contrivances for modifying the vibrating parts so as to produce changes in pitch and intensity. Parts that reënforce the vibrations. Organs by means of which the sounds are converted into the forms of speech. The central organ in this complex mechanism is *The Larynx.*—The larynx forms a part of the air passages, being a short tube at the upper end of the trachea.
If we only remember that all the bronchial tubes, great and small, are hollow, we may compare the whole system to a short bush or tree growing upside down in the chest, of which the trachea is the trunk, and the bronchial tubes the branches of various sizes. Minute Structure of the Lungs.
In these the floating bladder has turned into lungs, and the air-passage into a trachea. The lungs of the Amphibia have been transmitted to the three higher classes of Vertebrates. In the lowest Amphibia the lungs on either side are still very simple transparent sacs with thin walls, as in the common water-salamander, the Triton. It still entirely resembles the floating bladder of the fishes.
It will be noticed that in this experiment the elastic bag and its tube represent the lungs and trachea; and the glass vessel enclosing it, the thorax. The Skin and the Kidneys. The Elimination of Waste Products. We have traced the food from the alimentary canal into the blood.
It will be remembered that to this part of the vocal mechanism are attached, below, the trachea, and above, the tongue, indirectly through the hyoid bone and the thyro-hyoid membrane, as well as certain muscles which influence the relative position of these various parts, so that to maintain the larynx in the same position, absolutely, must be against Nature's methods.
Otherwise Sherson and Schurschi; which was formerly called Cherson Trachea, and was built 600 years before the Christian era, by the inhabitants of Heraclea in Pontus. It was also called Chersonesus, or the Peninsula; but that term properly signified the whole of the peninsula between this harbour and Symbolon or Limen, which was entirely occupied by the Greeks.
However, the patient gave a convulsive struggle, and, to all appearances, died. The trachea was immediately opened, and respiration was restored. During the course of the night the man vomited up pieces of fish bone softened by decomposition.
Sherrick, he suddenly called out 'Doctor, Compadre, Adios! "I sprang to him and seeing a gush of blood pouring from his mouth, remarked, 'this is the last of the general; I supported his forehead on my hand, while death speedily closed the scene. "The aneurism had ruptured into the trachea. Death took place at 4.25 P.M., May 23rd 1868. "Mr.
The originally short connection of the pulmonary sacs with the head-gut extends into a long, thin tube. In the wall of the trachea circular cartilages develop, and these keep it open. At its upper end, underneath its pharyngeal opening, the larynx is formed the organ of voice and speech.
The first and most obvious natural endowment concerned in speech is that peculiar organization of the larynx, trachea, and mouth, which enables us to produce the various sounds required in the case.
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