| cystography | Radiography of the bladder following injection of a radiopaque substance. Origin: cysto-+ G. Grapho, to write Antegrade cystography, antegrade urography in which the contrast medium is injected into the urinary bladder. (05 Mar 2000) |
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| voiding cystogram | <investigation, radiology> A special X-ray study which allow visualisation of the bladder and urethra on X-ray. A catheter is placed into the urethra, through which a radio-opaque contrast material is injected. Subsequent X-rays will show the anatomy of the bladder and urethra. (27 Sep 1997) |
| voiding flow rate | Urinary flow as a function of time during micturition, as graphically recorded by a flow meter. (05 Mar 2000) |