sigmoid flexure

American  

noun

1. Zoology. an S -shaped curve in a body part.

2. Also called sigmoid colon.  an S -shaped curve of the large intestine between the descending colon and the rectum.

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sigmoid flexure British  

noun

1. zoology an S-shaped curve, as in the necks of certain birds

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Etymology

Origin of sigmoid flexure

First recorded in 1780–90

Example Sentences

See Examples For:

sigmoid flexure

Masters has seen a child who lived nine days in whom the sigmoid flexure of the colon terminated in the fundus of the bladder.

From Anomalies and Curiosities of Medicine by Pyle, Walter L. (Walter Lytle)

Although this wound crossed the small intestine area, it is probable that the symptoms may have been due to an injury of the rectum or sigmoid flexure.

From Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre by Makins, George Henry

Because very few persons are free from chronic inflammation of the anus, rectum, and sigmoid flexure, which causes contraction of the caliber of the organs.

From Intestinal Ills Chronic Constipation, Indigestion, Autogenetic Poisons, Diarrhea, Piles, Etc. Also Auto-Infection, Auto-Intoxication, Anemia, Emaciation, Etc. Due to Proctitis and Colitis by Jamison, Alcinous B. (Alcinous Burton)

The loading and blocking of the sigmoid flexure come from too much activity or irritability, due to inflammation, of the upper half of the rectal tube.

From Intestinal Ills Chronic Constipation, Indigestion, Autogenetic Poisons, Diarrhea, Piles, Etc. Also Auto-Infection, Auto-Intoxication, Anemia, Emaciation, Etc. Due to Proctitis and Colitis by Jamison, Alcinous B. (Alcinous Burton)

The rectum, sigmoid flexure, caecum and colon are affected, and in this order, the cylindrical-celled form being the most common.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 4 "Diameter" to "Dinarchus" by Various