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cartilage |
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cartilageFlexible bluish-white connective tissue made up of the protein collagen. In cartilaginous fish it forms the skeleton; in other vertebrates it forms the greater part of the embryonic skeleton, and is replaced by bone in the course of development, except in areas of wear such as bone endings, and the discs between the backbones. It also forms structural tissue in the larynx, nose, and external ear of mammals. Cartilage does not heal itself, so where injury is severe the joint may need to be replaced surgically. In a 1994 trial, Swedish doctors repaired damaged knee joints by implanting cells cultured from the patient's own cartilage. In 1999 US chemists created an artificial liquid cartilage for use in repairing torn tissue. The cartilage is injected into a wound or damaged joint and will harden with exposure to ultraviolet light. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Arytenoid cartilage granulomas are the result of chronic mucosal injury. However, we did make an incidental finding of a small swelling on the right arytenoid muscle adjacent to the arytenoid cartilage (figure 1). 14) Similarly, Marcus et al reported using scissors to trim the obstructing mucosa from the lateral edge of the epiglottis, aryepiglottic folds, and arytenoid cartilage in all patients, even though they saw two distinct patterns of laryngomalacia in their patients; half exhibited anteromedial collapse of aryepiglottic folds and cuneiform cartilage, while the other half manifested only anteromedial collapse of the mucosa overlying the arytenoids. |
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