单词	sigmoid colon
释义	sigmoid colon noun : the contracted and crooked part of the colon immediately above the rectum called also sigmoid flexure Example Sentences Recent Examples on the Web Proctosigmoiditis: This is inflammation that affects both the rectum and the sigmoid colon, which is the lower end of the colon. Kathryn Watson, SELF, 24 Mar. 2022 Sometimes, tiny pouches can form in your gastrointestinal tract—usually in the lower part of the colon called the sigmoid colon, according to the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). Karen Pallarito, Health.com, 4 Nov. 2021 Normally, that stool will be evacuated, but when you get constipated, that stool builds up in your colon—often the sigmoid colon, which is at the very end of your digestive system right before your rectum—and blocks the flow. Colleen Stinchcombe, Health.com, 8 Oct. 2021 Born in South Carolina and raised in California, DeBord spent her 20s and early 30s as a probation officer, Hollywood location scout and stay-at-home mom, unaware of the cancer in her sigmoid colon. Joe Carlson, Star Tribune, 24 Aug. 2020 Proctosigmoiditis: With this type, inflammation involves the rectum and extends to the sigmoid colon, the lower end of the colon. Korin Miller, SELF, 19 Aug. 2020 Word History First Known Use 1896, in the meaning defined above Medical Definition sigmoid colon noun : the contracted and crooked part of the colon immediately above the rectum called also pelvic colon, sigmoid flexure
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