cys·to·scope 
(sĭstə-skōp′)
(sĭstə-skōp′)n.
A tubular instrument equipped with a light and used to examine the interior of the urinary bladder and ureter.
cys′to·scopic (-skŏpĭk) adj.
cys·tosco·py (sĭ-stŏskə-pē) n.
- interior decorator
- interior design
- interior designer
- interiority
- interiorize
- interiorly
- interior monologue
- Interior Salish
- interisland
- interj.
- interject
- interjection
- interjectional
- interjectionally
- interjector
- interjectory
- interlace
- interlacement
- Interlaken
- interlaminate
- interlamination
- interlanguage
- interlard
- interleaf
- interleague