sigˈmȯidəˌskōp noun
Etymology: sigmoid (II) + -o- + -scope
: a long hollow tubular instrument designed to be passed into the sigmoid colon through the anus and to permit inspection, diagnosis, treatment, and photography
• sig·moid·o·scop·ic ̷ ̷| ̷ ̷ ̷ ̷|skäpik adjective
• sig·moid·os·co·py ˌsigˌmȯiˈdäskəpē noun -es