en·do·scope 
(ĕndə-skōp′)
(ĕndə-skōp′)n.
A slender, tubular instrument, such as an arthroscope or laparoscope, that is inserted into a body cavity or part for the purpose of visual examination, diagnosis, or surgical treatment.
en′do·scopic (-skŏpĭk) adj.
en′do·scopic·al·ly adv.
en·dosco·py (ĕn-dŏskə-pē) n.
- precipitation
- precipitative
- precipitator
- precipitin
- precipitinogen
- precipitous
- precipitously
- precipitousness
- precise
- precisely
- preciseness
- precisian
- precisianism
- precision
- precisionism
- precisionist
- preclinical
- preclude
- preclusion
- preclusive
- preclusively
- precocial
- precocious
- precociously
- precociousness