| SEM | sample evaluation method; scanning electron microscopy; secondary enrichment medium; standard error ... |
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| SLAM | scanning laser acoustic microscope; systemic lupus erythematosus activity measure |
| SLIC | scanning liquid ionization chamber |
| SPAM | scanning photoacoustic microscopy |
| SR | sarcoplasmic reticulum; saturation recovery; scanning radiometer; screen; secretion rate; sedimentat... |
| renal agents | Drugs used for their effects on the kidneys' regulation of body fluid composition and volume. The most commonly used are the diuretics. Also included are drugs used for their antidiuretic and uricosuric actions, for their effects on the kidneys' clearance of other drugs, and for diagnosis of renal function. (12 Dec 1998) |
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| renal amyloidosis | Renal deposits of amyloid, especially in glomerular capillary walls, which may cause albuminuria and the nephrotic syndrome. Synonym: amyloid nephrosis. (05 Mar 2000) |
| renal artery | <anatomy, artery> A branch of the abdominal aorta which supplies the kidneys, adrenal glands and ureters. (12 Dec 1998) |
| renal artery obstruction | Narrowing or occlusion of the renal arteries. It is due usually to atherosclerosis, fibromuscular dysplasia, thrombosis, embolism, or external pressure. It may result in renovascular hypertension. (12 Dec 1998) |
| renal artery stenosis | <cardiology, nephrology> A narrowing of the renal artery or one of its main branches accounts for 2 to 5% of cases of hypertension. (27 Sep 1997) |
| renal ballottement | A manoeuvre in which the kidney is moved by pressure from behind, allowing it to be felt between the hands and its size, shape, and mobility determined. (05 Mar 2000) |
| renal blood flow, effective | The amount of blood flowing to the parts of the kidney that are involved with the production of constituents of urine. It is that portion of the total renal blood flow that perfuses functional renal tissue (e.g., the glomeruli). It should be differentiated from renal plasma flow, effective which is based on the amount of plasma rather than on total renal blood. (12 Dec 1998) |
| renal branch of lesser splanchnic nerve | <anatomy, nerve> Branch of lesser splanchnic nerve to the aorticorenal plexus/ganglion. Synonym: ramus renalis nervi splanchnici minoris. (05 Mar 2000) |
| renal branch of vagus nerve | <anatomy, nerve> Branches of vagus nerve to kidney via the coeliac plexus. Synonym: rami renales nervi vagi. (05 Mar 2000) |
| renal calcification | <radiology> Nephrolithiasis, nephrocalcinosis, medullary (more common), cortical, neoplastic or inflammatory mass, renal cell carcinoma, XGP, tuberculosis (12 Dec 1998) |
| renal calculi | <radiology> Common: calcium phosphate (8%), calcium oxalate (most common: 73%, most opaque), magnesium ammonium phosphate (struvite), uncommon: diammonium calcium phosphate, magnesium phosphate, rare: cystine (faintly opaque; 1%), urate (lucent; 7%), xanthine see: matrix calculi (12 Dec 1998) |
| renal calculus | A calculus occurring within the kidney collecting system. Synonym: nephrolith. (05 Mar 2000) |
| renal cancer | <radiology> About 8300 adults die each year from kidney cancer. An estimated 18100 new cases are diagnosed each year, comprising 2% of all cancers. The average age at diagnosis is 55-60 years., adenocarcinoma (hypernephroma), 80% of renal carcinoma, 66% male, associated with smoking, transitional cell or squamous carcinoma, 15% of renal carcinoma, 50% male, associated with calculous disease Excretory urography may reveal the primary lesion, the degree of local extension and evidence of compression or deviation of the ureter. REF: Rubin P. Clinical Oncology. Chapter 17. (12 Dec 1998) |
| renal capsule | The fibrous connective tissue that surrounds each kidney. (12 Dec 1998) |
| renal carcinosarcoma | <tumour> Obsolete term for Wilms' tumour. (05 Mar 2000) |