noun
definition
A function having a graph whose shape is sigmoid..
adjective
definition
Curved in two directions, like the letter "S", or the Greek ς (sigma).
definition
Semi-circular, like the lunar sigma (similar to English C).
definition
Relating to the sigmoid flexure of the large intestine.
Examples of sigmoid in a Sentence
For a sigmoid colectomy, the splenic flexure should be mobilized so that the transverse colon can be potentially brought down for the anastomosis.
It was a defunctioning sigmoid loop colostomy created above a locally advanced rectal carcinoma.
A loop colostomy in the sigmoid area would usually produce a formed stool allowing the patient to use a closed pouch.
An end sigmoid colostomy may be described by some, as easier to manage, particularly for elderly patients.
An impacted sigmoid colon or rectum can give rise to bladder spasms which obstruct free drainage of urine.
The diagnosis of sigmoid volvulus in our patient was confirmed at surgery.
The curve is called a logistic or sigmoid growth curve.
The arms are of so-called sigmoid shape as indicated below.
In India approximately 30 per cent of acute intestinal obstructions are secondary to volvulus of the sigmoid colon [3 ].
The sigmoid colon is the area of the intestine just above the rectum; linking the descending colon with the rectum.
Volvulus of the large bowel is rare in infants and children; when it does occur it is usually in the sigmoid (sigmoid volvulus) in the lower colon.
Sigmoid colon-The final portion of the large intestine that empties into the rectum.
For persons with a ganglion growth beyond the sigmoid segment of the colon, the inheritance pattern is autosomal dominant with reduced penetrance (risk closer to 50 percent).
The setae are either entirely capillary or there are in addition some sigmoid setae even with bifid free extremities.
Man differs from them in the absence of a hairy coat; in the development of a large lobule to the external ear; in his fully erect attitude; in his flattened foot with the non-opposable great toe; in the straight limb-bones; in the wider pelvis; in the marked sigmoid flexure of his spine; in the perfection of the muscular movements of the arm; in the delicacy of hand; in the smallness of the canine teeth and other dental peculiarities; in the development of a chin; and in the small size of his jaws compared to the relatively great size of the cranium.