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.
Find a Gastroenterologist Near You. Inguinal hernias and femoral hernias are both groin hernias, and they occur in the area between the lower abdomen and the thigh. Umbilical hernias occur directly beneath or near the navel. Hernias that occur where a surgery has taken place are called incisional hernias.eek prompt medical care for bulges in the abdomen or groin, especially if they increase in size or become painful, or if you have been treated for an abdominal hernia but symptoms recur. 8 Easy Ways to Relieve Gas. 10 Tips for Living With IBS.