


The ancient Greeks thought of seven as a shape with seven sides and seven corners. Such a shape is called a heptagon, which means “seven corners.” Seven seemed like a special, magical number to…

Hernia, or rupture, is an outpouching or pocket of the abdominal cavity which protrudes through a defect in the abdominal wall. An abdominal organ may bulge through this defect, becoming larger when…
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