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Benzonatate (/ b ɛ n ˈ z oʊ n ə t eɪ t /), sold under the brand name Tessalon among others, is a medication that is used for the symptomatic relief of cough. [ 7 ] [ 8 ] Benzonatate is taken by mouth .
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Tessalon Perle Oral. From Wikipedia, the free encyclopedia. Redirect page. Jump to navigation Jump to search. Redirect to: Benzonatate; Retrieved from "https://en ...
A pearl is a hard, glistening object produced within the soft tissue (specifically the mantle) of a living shelled mollusk or another animal, such as a conulariid.Just like the shell of a mollusk, a pearl is composed of calcium carbonate (mainly aragonite or a mixture of aragonite and calcite) [1] in minute crystalline form, which has been deposited in concentric layers.
Therefore, the pearl industry is making ongoing attempts to improve culturing technique so that keshi pearls do not occur. All-nacre pearls may one day be limited to natural found pearls. [16] [17] [18] Today many "keshi" pearls are actually intentional, with post-harvest shells returned to the water to regenerate a pearl in the existing pearl sac.
Cultured freshwater pearls are pearls that are farmed and created using freshwater mussels. These pearls are produced in Japan and the United States on a limited scale, but are now almost exclusively produced in China. The U.S. Federal Trade Commission requires that farmed freshwater pearls be referred to as "freshwater cultured pearls" in ...