Aggregative Adherence Fimbriae I (AAF I) causes aggregation of the bacterial cells. These aggregate on small intestinal cells and cause mucous secretion which produces a biofilm. Enteroaggregative heat stabile toxin is an STa like toxin, and plasmid encoded toxin can also be present.
1 Umbilical hernia is a bulge around the belly button. It occurs when the muscle around the belly button does not close completely after birth.  Inguinal hernia is a bulge in the groin. It is more common in men.
An incisional hernia can occur after surgery in the belly. It can happen months or even years after surgery. Most of the time, it occurs along a vertical (up and down) incision. This type of hernia can occur in people who: 1  Are very overweight. 2  Are older. 3  Have used steroid medicines. 4  Have had lung problems after surgery. 5  Have had a wound infection after surgery or have had more than one surgery using the same incision.