Epithelial tissues are layers of tightly connected cells and make up the basic structure of many organs. To create functional ...

Primary peritoneal cancer (PPC) is a rare cancer. It starts in the thin layer of tissue lining the inside of the tummy (abdomen). This tissue lining is called the peritoneum. PPC cells are the same as ...

Scar tissue is tissue that develops when healthy skin is destroyed by trauma, such as a surgery, a burn, or an injury. Scars are thicker when they are repairing damage within skin's deeper layers.