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.
1 Umbilical hernia â This is one of the more common hernia cases. This type usually occurs in the belly button area, in a place that normally would close before or after a woman has a baby.  Inguinal hernia â This one is the most common type of hernial of the abdominal area. It occurs 25 more often in men than in women.