<instrument> An optical device passed in a retrograde fashion through the bladder up into the ureter to inspect the ureteral lumen. ... (05 Mar 2000) ... 
(u-re´tәr-o-skōp″) a fiberoptic endoscope used in ureteroscopy.
Type: Term Pronunciation: yū-rē′tĕr-ō-skōp Definitions: 1. An optic device passed in a retrograde fashion through the bladder up into the ureter to inspect the ureteral lumen and kidney collecting system.
an optical device which is inserted into the urethra and passed up through the bladder to the ureter; to inspect the opening of the ureters.