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 umbilical hernia is a bulge near the belly button, or navel. The hernia has a sac that may hold some intestine, fat, or fluid. These tissues may bulge through an opening or a weak spot in the stomach muscles.n umbilical hernia is a bulge near the belly button, or navel. The hernia has a sac that may hold some intestine, fat, or fluid. These tissues may bulge through an opening or a weak spot in the stomach muscles.