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

It is possible that a wound in the sigmoid flexure was present which had already closed at the time of operation.

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

Chapman mentions a case in which the liver was displaced by dilatation of the sigmoid flexure.

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

The serous membranes were all callous and thickened, and the canal of the sigmoid flexure was totally obliterated.

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

Accumulation of feces is most common in the rectum and sigmoid flexure, and then in the cecum.

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)

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)