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.
Umbilical hernia is when fatty tissue or a part of the bowel pushes through the abdomen close to your belly button (navel). Epigastric hernia is when fatty tissue pushes through your abdomen, between the belly button and breastbone (sternum).or inguinal, femoral, umbilical, and incisional hernias, symptoms could include: 1  An obvious swelling beneath the skin of the abdomen or the groin; it may disappear when you lie down, and may be tender. 2  A heavy feeling in the abdomen that is sometimes accompanied by constipation or blood in the stool.