| kid | 1. <zoology> A young goat. "The . . . Leopard shall lie down with the kid." (Is. Xi. 6). 2. A young child or infant; hence, a simple person, easily imposed on. 3. A kind of leather made of the skin of the young goat, or of the skin of rats, etc. 4. Gloves made of kid. 5. A small wooden mess tub; a name given by sailors to one in which they receive their food. Origin: Of Scand. Origin; cf. Icel. Ki, Dan. & Sw. Kid; akin to OHG. Kizzi, G. Kitz, kitzchen, kitzlein. Source: Websters Dictionary (01 Mar 1998) |
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| Kidd blood group | See Blood Groups appendix. (05 Mar 2000) |
| kidd blood-group system | A group of antigens consisting principally of jk(a) and jk(b), determined by allelic genes. Amorphs are encountered. Antibodies of these substances are usually weak and quite labile, stimulated by erythrocytes. (12 Dec 1998) |
| kiddle | A kind of basketwork wear in a river, for catching fish. [Improperly spelled kittle. Origin: Cf. LL.kidellus, Armor. Kiael. Source: Websters Dictionary (01 Mar 1998) |
| kiddow | <zoology> The guillemot. Alternative forms: kiddaw. Source: Websters Dictionary (01 Mar 1998) |
| kidfox | <zoology> A young fox Source: Websters Dictionary (01 Mar 1998) |
| kidney | <anatomy> Two glands situated in the upper posterior abdominal cavity, one on either side of the vertebral column. The kidneys are shaped like two large beans, and act as a filter. The kidney function is to filter the blood and control the level of some chemicals in the blood such as hydrogen, sodium, potassium, and phosphate and they eliminate waste in the form of urine. (26 Nov 1998) |
| kidney basin | A shallow basin of curved, kidney-shaped design, used to collect body fluids or as a container for various other liquids. (05 Mar 2000) |
| kidney calculi | Calculi occurring in the kidney. Calculi too large to pass spontaneously range in size from 1 cm to the staghorn stones that occupy the renal pelvis and calyces. Bilateral renal calculi cause additional problems, with infection a common occurrence. (12 Dec 1998) |
| kidney calices | Recesses of the kidney pelvis which divides into two wide, cup-shaped major renal calices, with each major calix subdivided into 7 to 14 minor calices. Urine empties into a minor calix from collecting tubules, then passes through the major calix, renal pelvis, and ureter to enter the urinary bladder. (12 Dec 1998) |
| kidney concentrating ability | The ability of the kidney to excrete in the urine high concentrations of solutes from the blood plasma. (12 Dec 1998) |
| kidney cortex | The outer part of the substance of the kidney, composed mainly of glomeruli and convoluted tubules. (12 Dec 1998) |
| kidney cortex necrosis | The death of all the functioning renal cells of the kidney cortex with continued viability of the majority of the medullary units. It is due usually to the arterial distribution peculiar to the kidney which makes the renal cortex more susceptible to diminished blood flow. (12 Dec 1998) |
| kidney dialysis | <technique> The process of separating crystalloids and colloids in solution by the difference in their rates of diffusion through a semipermeable membrane, crystalloids pass through readily, colloids very slowly or not at all. <technique> A medical procedure that uses a machine to filter waste products from the bloodstream and restore the bloods normal constituents. A necessary form of treatment in the patient with end-stage renal disease. In most circumstances, kidney dialysis is administered in a fixed schedule of three times per week. See: haemodialysis. Origin: Gr. Lysis = dissolution (26 Nov 1998) |
| kidney disease | <disease> Any one of several chronic conditions that are caused by damage to the cells of the kidney. People who have had diabetes for a long time may have kidney damage. (09 Oct 1997) |