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 or pouch that forms in the abdomen. This bulge occurs when a section of the lining of your abdominal cavity pushes through the abdominal wall around where the belly button is located. Umbilical hernias are common in children and adults, but do not always require surgical repair.his bulge occurs when a section of the lining of your abdominal cavity pushes through the abdominal wall around where the belly button is located. Umbilical hernias are common in children and adults, but do not always require surgical repair.