| bartter's disease | Hypertrophy and hyperplasia of the juxtaglomerular cells, producing hypokalaemic alkalosis and hyperaldosteronism, characterised by absence of hypertension in the presence of markedly increased plasma renin concentrations, and by insensitivity to the pressor effects of angiotensin. It usually affects children, is perhaps hereditary, and may be associated with other anomalies, such as mental retardation and short stature. It is also called juxtaglomerular cell aplasia. (12 Dec 1998) |
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| Bartter's syndrome | <syndrome> A clinical syndrome characterised by enlargement of certain kidney cells, alkalosis, hypokalaemia and increased production of the hormone aldosterone. Common in children and may be seen in dwarfism. (27 Sep 1997) |
| Bartter, Frederic | <person> U.S. Physician, 1914-1983. See: Bartter's syndrome. (05 Mar 2000) |
| Baruch's law | The effect of any hydriatric procedure is in direct proportion to the difference between the temperature of the water and that of the skin; when the temperature of the water is above or below that of the skin the effect is stimulating; when the two temperatures are the same the effect is sedative. (05 Mar 2000) |
| Baruch, Simon | <person> U.S. Physician, 1840-1921. See: Baruch's law. (05 Mar 2000) |
| baruria | Rarely used term for excretion of urine that has an unusually high specific gravity, e.g., greater than 1.025 to 1.030. Origin: G. Barys, heavy, + ouron, urine (05 Mar 2000) |
| barwood | A red wood of a leguminous tree (Baphia nitida), from Angola and the Gaboon in Africa. It is used as a dyewood, and also for ramrods, violin bows and turner's work. Source: Websters Dictionary (01 Mar 1998) |
| bary- | Heavy. Origin: G. Barys (05 Mar 2000) |
| barye | The CGS unit of pressure, equal to 1 dyne/cm2 or 10-6 bar. See: bar. Origin: G. Barys, heavy (05 Mar 2000) |
| baryphony | <medicine> Difficulty of speech. Origin: Gr. Heavy + a sound voice. Source: Websters Dictionary (01 Mar 1998) |
| baryta | <chemistry> An oxide of barium (or barytum); a heavy earth with a specific gravity above 4. Origin: Gr. Heavy. Cf. Baria. Source: Websters Dictionary (01 Mar 1998) |
| baryta water | A saturated aqueous solution of barium hydroxide; used as an alkaline reagent. (05 Mar 2000) |
| barytes | <chemical> Barium sulphate, generally called heavy spar or barite. See Barite. Origin: Gr. Heavy: cf. Gr. Heaviness, F. Baryte. Source: Websters Dictionary (01 Mar 1998) |
| baryto- | <prefix> Prefix indicating the presence of barium in a mineral. (05 Mar 2000) |
| baryto-calcite | <chemical> A mineral of a white or gray colour, occurring massive or crystallized. It is a compound of the carbonates of barium and calcium. Origin: Baryta + calcite. Source: Websters Dictionary (01 Mar 1998) |