DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Umbilical hernia. Close-up of the navel (umbilicus) of a 63-year-old man with a hernia. An umbilical hernia occurs when the muscles of the abdominal wall become weakened, allowing the intestines to protrude into the navel. Treatment is by surgery to re-position the intestines and repair the weakened abdominal wall.
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