What is the role of the omentum in regenerating the liver?

In their recent work to be published on March 7, 2009 in the World Journal of Gastroenterology, Dr. Singh and his colleagues from the Cook County Hospital in Chicago (USA) first activated the omentum using a foreign body to increase its content of stem cells and growth factors and then used the activated omentum to regenerate the liver. They cut and removed a small piece of the liver tissue and let the omentum, pre-activated by foreign body, adhere to the wound in order to supply stem cells to the injured liver. They found that the liver of these rats treated with activated omentum expanded to a size 50% greater than the original, an outcome never reported before. They stained the liver...

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