Pannus's a medical term for a hanging flap of tissue. When involving the abdomen, it's called a panniculus and consists of skin, fat, and sometimes contents of the internal abdomen as part of a hernia. A pannus can be the result of loose hanging tissues after pregnancy or weight loss. It can also be the result of obesity. A pannus can come in many different sizes and shapes and can become very large, even hanging down below the knees. The extra tissue of a hanging pannus can make personal hygi… (More on Pannus)