quartz silicosis

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• Silicosis — Classification and external resources ICD 10 J62 ICD 9 502 …   Wikipedia

• Silicosis — A form of lung disease resulting from occupational exposure to silica dust over a period of years. Silicosis causes slowly progressive fibrosis of the lungs, impairment of lung function and a tendency to tuberculosis of the lungs. Crystalline… …   Medical dictionary

• Quartz-dolerite — An intrusive rock, similar to dolerite, but with an excess of quartz. Dolerite is similar in composition to basalt, which is eruptive (from volcanoes), and gabbro, which is plutonic. The differing crystal sizes are due to the different rate of… …   Wikipedia

• quartz — A crystalline form of silicon dioxide used in chemical apparatus and in optical and electric instruments. * * * quartz kwȯ(ə)rts n a mineral SiO2 consisting of a silica that occurs in colorless and transparent or colored hexagonal crystals and… …   Medical dictionary

• Silicon dioxide — Silica redirects here. For other uses, see Silica (disambiguation). Silicon dioxide …   Wikipedia

• Silicose — La silicose est une maladie pulmonaire provoquée par l inhalation de particules de poussières de silice (silice cristalline) dans les mines[1], les carrières[1], les percements de tunnel ou les chantiers du BTP[2] …   Wikipédia en Français

• Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… …   Wikipedia

• Silica — The chief component of sand and a substance responsible for lung disease and cancer. Crystalline silica of respirable size is primarily quartz dust occurring in industrial and occupational settings in the form of fine, breathable particles.… …   Medical dictionary

• silicon — /sil i keuhn, kon /, n. Chem. a nonmetallic element, having amorphous and crystalline forms, occurring in a combined state in minerals and rocks and constituting more than one fourth of the earth s crust: used in steelmaking, alloys, etc. Symbol …   Universalium

• Occupational lung disease — Main Article Chronic obstructive pulmonary disease (COPD) Occupational lung diseases are a branch of occupational diseases concerned primarily with work related exposures to harmful substances, be they dusts or gases, and the subsequent pulmonary …   Wikipedia

• anthracosilicosis — Pneumonoconiosis from accumulation of carbon and silica in the lungs from inhaled coal dust; the silica content produces fibrous nodules. SYN: coal worker s pneumoconiosis. [anthraco + silicosis] * * * an·thra·co·sil·i·co·sis .an(t) thrə (.)kō… …   Medical dictionary