JIM DOWDALLS / SCIENCE PHOTO LIBRARY JIM DOWDALLS / SCIENCE PHOTO LIBRARY
This is an illustration of Type 2 Diabetes, a disease characterized by insulin resistance. Insulin is produced by islet cells in the pancreas, and acts in unison with glucose to regulate energy in the body's cells. In Type 2 Diabetes, not enough insulin is produced to work with, and moderate the glucose; or sometimes enough insulin is manufactured, but it is not absorbed into the blood and body cells adequately, causing an excessive build-up of glucose. This is what causes the symptoms of Diabetes. This illustration depicts glucose molecules on the top emanating from the stomach, where it is absorbed from food. Glucose traveling through the bloodstream will eventually go to all major body organs, including the heart, kidneys, and liver. Insulin protein, depicted on the bottom, leaves the pancreas, but does not interact with glucose, as it should. The background here is a depiction of the islet cells of the pancreas, where insulin is usually manufactured. The pancreas itself is shown transparently.
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