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nodule |
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nodule: see concretion concretion, mass or nodule of mineral matter, usually oval or nearly spherical in shape, and occurring in sedimentary rock. It is formed by the accumulation of mineral matter in the pore spaces of the sediment, usually around a fossil or fossil fragment acting as a ..... Click the link for more information. . noduleIn geology, a rounded mineral concretion that is distinct from, and may be separated from, the formation in which it occurs. Nodules usually are elongated and have a knobby irregular surface; they are generally oriented parallel to the bedding. Chert and flint, clay ironstone, and phosphorites commonly occur as nodules. Manganese-rich nodules are found on the ocean floor. nodule 1. any of the knoblike outgrowths on the roots of clover and many other legumes: contain bacteria involved in nitrogen fixation 2. Anatomy any small node or knoblike protuberance 3. a small rounded lump of rock or mineral substance, esp in a matrix of different rock material |
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| Pharyngeal acid reflux events in patients with vocal cord nodules. |
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