peri·to·neo·scope \ˌperətəˈnēəˌskōp\noun Etymology:periton- + -scope : a tubular instrument with an optical and lighting system used to examine the abdominal and pelvic cavities through an opening in the abdominal wall • peri·to·neo·scop·ic\| ̷ ̷ ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷|skäpik\adjective