Sigmoid, curved in two directions, like the letter S, or the Greek sigma.
It is usually found in the lower part of the ileum, the ccum, sigmoid flexure, and other parts of the colon.
It was the practice with O'Beirne,71 Hare,72 and others to inject fluid by a long flexible tube passed beyond the sigmoid flexure.
Its most common site is the sigmoid flexure, and next in point of frequency the ccum.
It is most often observed in the sigmoid flexure and ccum, as are the other forms of carcinoma.
In volvulus involving the sigmoid flexure, when injury to the bowel is great, the symptoms are acute in the extreme.
Such foss are found around the duodeno-jejuneal angle, the ccum and appendix, and the sigmoid flexure.
In the typical arrangement of the parts the sigmoid or omega loop of the large intestine has a free mesocolon.
The most common seat is in the sigmoid flexure and descending colon.
It is possible that a wound in the sigmoid flexure was present which had already closed at the time of operation.