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.
A hernia happens when part of an internal organ or tissue bulges through a weak area of muscle. Most hernias are in the abdomen. There are several types of hernias, including. Inguinal, in the groin. This is the the most common type.