| blood dust | Small refractive particles in the circulating blood, probably lipid material associated with fragmented stroma from red blood cells. Synonym: blood dust, blood motes, dust corpuscles. Origin: haemo-+ G. Konis, dust (05 Mar 2000) |
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| coal dust | <chest medicine> Fine particulate coal dust that is a known respiratory irritant. Coal dust is the underlying cause of the occupational lung disease known as black lung. (27 Sep 1997) |
| cosmic dust | <astronomy> Finely divided solid matter with particle sizes smaller than a micrometeorite, thus with diameters much smaller than a millimeter, moving in interplanetary space. (12 Dec 1998) |
| cotton-dust asthma | <chest medicine> Exposures to cotton dust during the production of yarns, linen and rope can produce chronic obstructive lung disease (after 10 years). Early symptoms include chest tightness. Treatment includes bronchodilators and removal from work environment. (21 Mar 1998) |
| silica dust | Fine particulate dust from quartz rock that is known to cause a progressive lung injury over long-term. See: pneumoconiosis. (27 Sep 1997) |
| dust | 1. Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that which is crumbled too minute portions; fine powder; as, clouds of dust; bone dust. "Dust thou art, and unto dust shalt thou return." (Gen. Iii. 19) "Stop! for thy tread is on an empire's dust." (Byron) 2. A single particle of earth or other matter. "To touch a dust of England's ground." 3. The earth, as the resting place of the dead. "For now shall sleep in the dust." (Job vii. 21) 4. The earthy remains of bodies once alive; the remains of the human body. "And you may carve a shrine about my dust." (Tennyson) 5. Figuratively, a worthless thing. "And by the merit of vile gold, dross, dust." (Shak) 6. Figuratively, a low or mean condition. "[God] raiseth up the poor out of the dust." (1 Sam. Ii. 8) 7. Gold dust; hence: Coined money; cash. Down with the dust, deposit the cash; pay down the money. "My lord, quoth the king, presently deposit your hundred pounds in gold, or else no going hence all the days of your life. . . . The Abbot down with his dust, and glad he escaped so, returned to Reading." . <botany> Dust brand, a fungous plant (Ustilago Carbo); called also smut. Gold dust, fine particles of gold, such as are obtained in placer mining; often used as money, being transferred by weight. In dust and ashes. See Ashes. To bite the dust. See Bite, To raise, or kick up, dust, to make a commotion. To throw dust in one's eyes, to mislead; to deceive. Origin: AS. Dust; cf. LG. Dust, D. Duist meal dust, OD. Doest, donst, and G. Dunst vapor, OHG. Tunist, dunist, a blowing, wind, Icel. Dust dust, Dan. Dyst mill dust; perh. Akin to L. Fumus smoke, E. Fume. Source: Websters Dictionary (01 Mar 1998) |
| dust asthma | Asthma aggravated by inhalation of dust, especially seen as occupational disease resulting from cotton dust. (05 Mar 2000) |
| dust ball | A mass sometimes found in the stomach or intestine of an animal fed on mill cleanings. (05 Mar 2000) |
| dust cell | Macrophage found in lung and that can be obtained by lung lavage, responsible for clearance of inhaled particles and lung surfactant. Metabolism slightly different from peritoneal macrophages (more oxidative metabolism), often have multivesicular bodies that may represent residual undigested lung surfactant. (18 Nov 1997) |
| dust corpuscles | Small refractive particles in the circulating blood, probably lipid material associated with fragmented stroma from red blood cells. Synonym: blood dust, blood motes, dust corpuscles. Origin: haemo-+ G. Konis, dust (05 Mar 2000) |
| aaa disease | Endemic anaemia of ancient Egypt, ascribed in the Papyrus Ebers to intestinal infestation with ancylostoma; now called ancylostomiasis. (05 Mar 2000) |
| ABO haemolytic disease of the newborn | Erythroblastosis foetalis due to maternal-foetal incompatibility with respect to an antigen of the ABO blood group; the foetus possesses A or B antigen which is lacking in the mother, and the mother produces immune antibody which causes haemolysis of foetal erythrocytes. (05 Mar 2000) |
| accumulation disease | A disease characterised by abnormal accumulation of a metabolic product in certain cells and tissues; examples include the mucopolysaccharidoses, lipoidoses. (05 Mar 2000) |
| Acosta's disease | A condition that results from prolonged exposure to high altitude. Symptoms include a continuous dry cough, shortness of breath, poor exercise tolerance, dizziness, headache, sleep difficulty, anorexia, confusion, fatigue and a rapid pulse. Treatment includes the immediate movement to a lower altitude. Prophylaxis has been accomplished successfully with the use of acetazolamide (Diamox). (27 Sep 1997) |
| acquired immunodeficiency disease | Acquired immunodeficiency disease: Disease caused by infection with the human immunodeficiency virus (HIV). (12 Dec 1998) |