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.
Hernia Operation: Recovery After Hernia Surgery Save this for later. A hernia is a small or large opening in the wall of the abdomen. When a hernia is present it can be seen as a bulging out of the abdomen. It is easier to visualize a bulging hernia when the muscles of the abdomen are tightened. Inguinal (groin) Hernia Locations. Certain activities can cause the bulge to worsen, such as lifting, coughing, or straining. There can be very serious complications from a hernia if the tissue that is bulging through the abdominal wall gets trapped and the blood supply gets cut off.