单词	sigmoidoscope
释义	sigmoidoscope noun sig·​moid·​o·​scope sig-ˈmȯi-də-ˌskōp  : an endoscope designed to be passed through the anus for visual examination especially of the sigmoid colon sigmoidoscopic sig-ˌmȯi-də-ˈskä-pik  adjective sigmoidoscopy sig-ˌmȯi-ˈdä-skə-pē  noun Word History First Known Use circa 1900, in the meaning defined above Medical Definition sigmoidoscope noun sig·​moid·​o·​scope sig-ˈmȯid-ə-ˌskōp  : an endoscope designed to be passed through the anus in order to permit inspection, diagnosis, treatment, and photography especially of the sigmoid colon called also proctosigmoidoscope
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