Origin of the name Sydney: Transferred use of the surname originating as a Norman baronial name taken from the place-name St. Denis in Normandy. Alternatively, the name arose independently in England and is derived from the Old English elements sÄ«d (extensive, wide) and ieg (island in a river, riverside meadow).
Sigmoidectomy surgery for inflammatory bowel disease (IBD) Sigmoidectomy surgery removes all or part of the sigmoid colon - the S-shaped part of the large intestine just before the rectum. Where possible the two healthy ends of the intestinal tract are then rejoined. If this is not possible then a stoma may be formed.
Sigmoid diverticulosis is a condition in which small pouches called diverticula form on the wall of the sigmoid colon, which is the part of the large intestine that connects to the rectum. It's typically associated with certain risk factors, including age and a poor diet.