| antegrade pyelography | Antegrade urography in which the contrast medium is injected into the renal calices or pelvis. (05 Mar 2000) |
|---|---|
| retrograde pyelography | Pyelography in which contrast material is injected into the ureters from an endoscope in the bladder. (05 Mar 2000) |
| pyelography | <investigation, radiology> Radiologic study of the kidney, ureters, and usually the bladder, performed with the aid of a contrast agent either injected intravenously, or directly through a ureteral or nephrostomy catheter or percutaneously. Synonym: pelviureterography, pyeloureterography, ureteropyelography. Origin: pyelo-+ G. Grapho, to write (05 Mar 2000) |
| intravenous pyelography | Former name for intravenous urography. (05 Mar 2000) |
| carbon dioxide elimination | The rate at which carbon dioxide enters the alveolar gas from the blood, equal in the steady state to the metabolic production of carbon dioxide by tissue metabolism throughout the body; units: ml/min STPD or mmol/min. (05 Mar 2000) |
| median time to elimination | <pharmacology> The time it takes one half of a drug to be eliminated from the body. (09 Oct 1997) |
| elimination | <pharmacology> The act of expulsion or of extrusion, especially of drug expulsion from the body. Origin: L. Eliminatio, from limen = threshold (18 Nov 1997) |
| elimination diet | A diet designed to detect what ingredient of the food causes allergic manifestations in the patient; food items to which the patient may be sensitive are withdrawn separately and successively from the diet until that which causes the symptoms is discovered. (05 Mar 2000) |
| elimination disorders | Excretory-related psychiatric disorders usually diagnosed in infancy or childhood. (12 Dec 1998) |
| elimination half-life | <pharmacology> The time it takes for the body to eliminate or breakdown half of a dose of a pharmacologic agent. (09 Oct 1997) |