Obstruction of the intestine due to its being paralyzed. The paralysis does not need to be complete to cause ileus, but the intestine must be so inactive that food cannot pass through it, which leads to blockage of the intestine. Ileus commonly follows some types of surgery. It can also result from certain drugs, injuries, and illnesses. Regardless of the cause, ileus causes constipation and bloating. When one listens to the abdomen with a stethoscope, no bowel sounds are heard because the bowel is inactive. Also known as paralytic ileus.
- Ileus, meconium
Obstruction of the intestine due to overly thick meconium, a dark, sticky substance that is normally present in the intestine at birth. Meconium is passed in the feces after birth, after trypsin and other enzymes from the pancreas have acted on it. Meconium ileus occurs when the infant has a deficiency of trypsin and other […]
- Ileus, paralytic
Obstruction of the intestine due to paralysis of the intestinal muscles. The paralysis does not need to be complete to cause ileus, but the intestinal muscles must be so inactive that it prevents the passage of food and leads to a functional blockage of the intestine. Ileus commonly follows some types of surgery, especially abdominal […]
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- Iliac horns
Symmetrical bilateral central posterior iliac processes. In other words, horn-like malformations of the crest of both iliac bones of the pelvis. A characteristic finding in the nail-patella syndrome.
- Iliopsoas muscle
A blending of two muscles (the iliacus and psoas major) that run from the lumbar portion of the vertebral column to the femur. The main action of the iliopsoas is to flex the thigh at the hip joint.