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

Thus a considerable lump may be found in the cecum or sigmoid flexure and the rest of the colon be comparatively clear of any gross accumulation.

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)

Fistula may result from an injury; but the large majority of cases are due to a congested or diseased condition of the sigmoid flexure and rectum.

From The Royal Road to Health by Tyrrell, Charles Alfred

The disturbance and danger are enhanced when the tissues of the sigmoid flexure and the rectum are invaded by inflammation.

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 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)

An over-distended caecum, or sigmoid flexure, from pressure, may produce dropsy, numbness or cramps in the right or left lower extremity.

From The Royal Road to Health by Tyrrell, Charles Alfred