The term volvulus has its roots from medieval Latin volvere; which means 'to roll'. A volvulus is a subtype of malrotation, in which a loop of bowel is twisted about a focal point along the mesentery attached to the intestinal tract, that may result in a bowel obstruction.A volvulus is a twisting or axial rotation of a portion of bowel about its mesentery.igmoid volvulus is the most-common form of volvulus of the gastrointestinal tract. and is responsible for 8% of all intestinal obstructions. Sigmoid volvulus is particularly common in elderly persons and constipated patients. Patients experience abdominal pain, distension, and absolute constipation.
Best answer: Answer by gershom t. operational definition is how you define these concepts such as bullying, mental illness, drug abuse, physical abuse. operational definitions are used because not everyoneâs concept of bullying, for example, is the same.
How to Create Operational Definitions. The operational definition should become part of any data that is collected in order to establish a baseline for measuring behavioral change. This means the data should include metrics (numerical measures).