| Term | Definition |
|---|
| Aqueous | Describing a solution prepared with water |
| Arthrography | A method of radiographically visualizing the inside of a joint using a radiolucent or radiopaque contrast medium |
| Bolus | A quantity of undiluted contrast medium or other fluid injected intravenously over a short period of time |
| Cholecystectomy | The surgical removal of the gallbladder |
| Cholecystitis | Inflammation of the gallbladder |
| Cystogram | Provides contrast imaging of the internal contours of the urinary bladder; the bladder is filled by retrograde injection of a water-soluble iodine medium through a urinary catheter and examined using fluoroscopy and/or radiographs |
| Diuretic | A drug or substance that tends to promote the formation and excretion of urine |
| Ionic | Pertaining to a compound that separates in charged particles in a solution |
| Manometer | A device for measuring the pressure of a fluid, consisting of a tube marked with a scale and containing a relatively incompressible fluid, such as mercury |
| Myelography | An xray image/examination after the injection of a radiopaque medium into the subarachnoid space to demonstrate any distortions of the spinal cord, spinal nerve roots, and subarachnoid space |
| Nephrogram | A radiograph of the kidney; usually refers to an image of the parenchyma of the kidney in the early postinjection phase of an excretory urogram |
| Nonionic | Pertaining to compounds that do not dissociate into charged particles when in solution |
| Osmolality | The concentration of particles in a solution, which determines the osmotic pressure of the solution expressed in osmoles or milliomoles per kilogram of water; osmotic pressure influences the passage of water through semipermeable membranes; normal adult blood osmolality is 285 to 295 mOsm/kg H2O |
| Stent | A tubular device for supporting hollow structures during surgical anastamosis or for holding arteries open during and/or after angioplasty |
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