celoscope

ce·lo·scope

(sē'lō-skōp),
Rarely used term for an optic device for examining the interior of a body cavity.
[G. koilos, hollow, + skopeō, to view]

celioscope

, celoscope (sē′lē-ŏ-skōp″) (sē′lŏ-skōp″) [ ²celo- + -scope]
An endoscope for visual examination of a body cavity.

celoscope

an endoscope for use in celoscopy.