| RAP | recurrent abdominal pain; regression-associated protein; renal artery pressure; resident assessment ... |
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| RAS | rapid atrial stimulation; recurrent aphthous stomatitis; reflex activating stimulus; reliability, av... |
| SRA | segmental renal artery; serum renin activity; spleen repopulating activity |
| TRAS | transplanted renal artery stenosis |
| BLOBS | bladder obstruction |
| 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) |
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| 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) |
| renal cast | Any type of cast formed in a renal tubule, and found in the urine consisting of various materials, e.g., albumin, cells, blood. Synonym: tube cast. (05 Mar 2000) |
| renal cell cancer | Cancer that develops in the lining of the renal tubules, which filter the blood and produce urine. Also called renal cell carcinoma. (12 Dec 1998) |
| renal cell carcinoma | <oncology, tumour> The most common form of kidney cancer which occurs when the cells lining the renal tubule undergo cancerous changes. There are approximately 18,000 new cases of renal cell carcinoma (hypernephroma) per year in the U.S. With about 8,000 deaths annually. Smoking is considered a major risk factor. Kidney dialysis patients are at increased risk for the development of hypernephroma. Family history for renal cell carcinoma is also considered a risk factor. Symptoms include haematuria, flank pain, abdominal pain, back pain, weight loss and abdominal swelling. (27 Sep 1997) |
| renal circulation | The circulation of the blood through the vessels of the kidney. (12 Dec 1998) |
| renal colic | Severe colicky pain caused by the impaction or passage of a calculus in the ureter or renal pelvis. (05 Mar 2000) |