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.
There are several different types of hernia: 1  Inguinal hernia is the most common. This occurs when part of your bowel squeezes through your lower abdomen into the groin. 2  Hiatus hernia is when part of your stomach pushes up into the chest through an opening in the diaphragm.