| urinary sand | Multiple small calculous particles passed in the urine of patients with nephrolithiasis; each particle is usually too small to cause significant symptoms or to be identified as a true calculus. (05 Mar 2000) |
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| brain sand | Small calcareous concretions in the stroma of the pineal and other central nervous system tissues. Synonym: acervulus, brain sand, psammoma bodies. (05 Mar 2000) |
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| sand | Particles in siliciclastic sediment that range in size from 0.0625 millimetres (very fine-grained sand) to 2.0 millimetres (very coarse-grained sand), according to the Udden-Wentworth scale. In field geology, to tell the difference between fine-grained sand and coarse silt, the particle in a rock is sand if it can be clearly seen with the naked eye. (09 Oct 1997) |
| sand bath | In chemistry, an arrangement whereby a substance to be treated is in a vessel protected from the direct action of fire by a layer of sand. (05 Mar 2000) |
| sand bodies | Mineralised body's occurring in the meninges, choroid plexus, and in certain meningiomas; composed usually of a central capillary surrounded by concentric whorls of meningocytes in various stages of hyaline change and mineralization; can also occur in benign and malignant epithelial tumours (often papillary) or with chronic inflammation. Synonym: sand bodies. Synonym: corpora arenacea. Synonym: calcospherite. (05 Mar 2000) |
| sand-crack | A crack or fissure in the hoof of the horse, occurring usually on the inside of the forefoot (quarter-crack) or in the forepart of the hindfoot (toe-crack); when the crack is deep enough to expose the sensitive laminae, or when it extends to the coronary band, lameness results. (05 Mar 2000) |
| sand tumour | <tumour> A firm cellular neoplasm derived from fibrous tissue of the meninges, choroid plexus, and certain other structures associated with the brain, characterised by the formation of multiple, discrete, concentrically laminated, calcareous bodies (psammoma bodies); most of these neoplasms are histologically benign, but may lead to severe symptoms as a result of compressing the brain. Synonym: angiolithic sarcoma, sand tumour, Virchow's psammoma. (05 Mar 2000) |
| hydatid sand | The scoleces of Echinococcus tapeworms in the fluid within a primary or daughter hydatid cyst. (05 Mar 2000) |
| intestinal sand | Minute calculi or gritty material occurring in faeces, composed of soaps, bile pigment, cholesterol, magnesium salts, succinic acid, etc. (05 Mar 2000) |
| antibody-coated bacteria test, urinary | Fluorescent antibody technique for visualizing antibody-bacteria complexes in urine. The presence or absence of antibody-coated bacteria in urine correlates with localization of urinary tract infection in the kidney or bladder, respectively. (12 Dec 1998) |
| anti-infective agents, urinary | Substances capable of killing agents causing urinary tract infections or of preventing them from spreading. (12 Dec 1998) |
| apex of urinary bladder | The junction of the superior and anteroinferior surfaces of the bladder, continuous above with the median umbilical ligament. Synonym: apex vesicae. (05 Mar 2000) |
| blood, urinary | Medically called haematuria, blood in the urine can be microscopic or gross. Evaluating haematuria requires consideration of the entire urinary tract. Tests used for the diagnosis of haematuria include the intravenous pyelogram (IVP), cystoscopy, and urine cytology. Management of haematuria depends upon the underlying cause. (12 Dec 1998) |
| body of urinary bladder | The portion of the bladder between the apex and fundus. Synonym: corpus vesicae urinariae. (05 Mar 2000) |
| reproductive and urinary physiology | Physiology of the human and animal body, male or female, in the reproductive process and the physiology of the urinary tract. (12 Dec 1998) |
| mucosa of urinary bladder | The inner coat of the urinary bladder. Synonym: tunica mucosa vesicae urinariae. (05 Mar 2000) |