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Updated: July 21, 2025
When the vocal bands are in action their vibrations are accompanied by corresponding vibrations of the cartilages of the larynx a fact of which any one may convince himself by laying his fingers on the upper part of the thyroid, especially when a low and powerful tone is produced.
The lateral cartilages are attached to the posterior angles of the pedal bone. They are flattened from side to side, and the portion that projects above the coronary cushion may be felt by pressing on the skin that covers it. The plantar cushion is a wedge-shaped piece of tissue formed by interlacing connective-tissue fibres and fat. It is limited on each side by the lateral cartilages.
Each arytenoid is movable on the cricoid and is connected with one end of a vocal cord. A. In producing sound, B. During quiet breathing. *The Vocal Cords* are formed by two narrow strips of tissue which, connecting with the thyroid cartilage in front and the arytenoid cartilages behind, lie in folds of the mucous membrane.
Harvey examined his body and at the necropsy his internal organs were found in a most perfect state. His cartilages were not even ossified, as is the case generally with the very aged. The slightest cause of death could not be discovered, and the general impression was that he died from being over-fed and too-well treated in London.
The sensory apparatus presents a series of most remarkable rudimentary organs. We have seen that the whole of the shell of the external ear, with its cartilages, muscles, and skin, is in man a useless appendage, and has not the physiological importance that was formerly ascribed to it.
With the flattening down of the cushiony disks or cartilages between the vertebrae, and also with the dislocation even in the slightest degree of these vertebrae, there is brought about more or less interference with the free action of the spinal cord itself and of the spinal nerves.
The vibration is small in amount, but very rapid. Other muscles are connected with the arytenoid cartilages which serve to seperate the vocal cords and to widely open the glottis. The force of the outgoing current of air determines the extent of the movement of the cords, and thus the loudness of the sound will increase with greater force of expiration.
Well, I selected the cartilages of the heads of these fishes, and you can scarcely imagine the delight with which I welcomed the arrival of each Wednesday, Friday, and Saturday, as affording me the means of increasing my stock of pens; for I will freely confess that my historical labors have been my greatest solace and relief.
The nippers, found on the lower jaw alone. 13. The ligament of the neck, and its attachments. 14. The atlas. 16. The dentata. 17. The orbits of the eye. 18. The vertebræ, or bones of the neck. 19. The bones of the back. 20. The bones of the loins. 21. The sacrum. 22. The bones of the tail. 23. The haunch and pelvis. 24. The eight true ribs. 25. The false ribs, with their cartilages. 26.
The contraction may take the form of a vertical groove on each side, or of a horizontal groove at the level of the upper end of the xiphi-sternum; when the sternum and cartilages form a projection in front, the deformity is known as "pigeon-breast." The spine may be curved backwards kyphosis throughout its whole extent or only in one part; or it may be curved to one side scoliosis.
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