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.
The most common, though, are in the abdomen and groin areas. 1  Inguinal Hernia is one of the two types of hernias that form in the groin. 2  Incisional Hernia forms along the site of a surgical incision.  Epigastric Hernia is one of the types of abdominal hernias that forms between the belly button and the chest.