| NPD | narcissistic personality disorder; natriuretic plasma dialysate; negative pressure device; Niemann-P... |
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| OCD | obsessive compulsive disorder; Office of Child Development; Office of Civil Defense; osteochondritis... |
| OCPD | obsessive compulsive personality disorder |
| ODD | oculodentodigital [dysplasia]; oppositional defiant disorder |
| OMD | ocular muscle dystrophy; oculomandibulodyscephaly; organic mental disorder; oromandibular dystonia |
pervasive developmental disorder
pseudounipolar bipolar III disorder
| interlobular veins of kidney | They parallel the interlobular arteries and drain the peritubular capillary plexus, emptying into the arcuate veins. Synonym: venae interlobulares renis. (05 Mar 2000) |
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| thoracic kidney | Ectopic kidney that partially lies above the diaphragm in the posterior mediastinum. (05 Mar 2000) |
| embryoma of the kidney | <oncology, tumour> Wilm's tumour or nephroblastoma, is a cancerous tumour of the kidney in children. Wilm's is the most common tumour of the kidney and the most common intra-abdominal tumour in children. The exact cause is unknown, but probably develops in foetal tissue due to an underlying genetic factor. Like retinoblastoma, both sporadic and inherited forms occur. Believed to be caused by development of homozygosity for a deletion of the tip of the short arm of chromosome 11, which is presumed to contain a tumour suppressor gene. (07 Oct 1997) Previous: willow wattle, willow-weed, willow-wort, wills, Wilms, Max, wilms tumourNext: Wilms' tumour, Wilson block, Wilson, Clifford, wilson diseaseembryoma of the kidney -->Wilms' tumour A malignant renal tumour of young children, composed of small spindle cells and various other types of tissue, including tubules and, in some cases, structures resembling foetal glomeruli, and striated muscle and cartilage. Often inherited as an autosomal dominant trait . Synonym: adenomyosarcoma, embryoma of the kidney, nephroblastoma. (05 Mar 2000) |
| 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, artificial | Device(s) which can substitute for normally functioning kidneys in cleansing the blood. (12 Dec 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, cystic | A kidney containing one or more cysts, including polycystic disease (kidney, polycystic), solitary cyst, multiple simple cysts, and retention cysts (associated with parenchymal scarring). (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) |
| kidney failure | <nephrology> The inability of the kidneys to adequately remove wastes from the bloodstream, resulting in severe metabolic derangement's. See: acute renal failure. (27 Sep 1997) |