Tissue engineering is a field of biomedical engineering that focuses on creating artificial tissues and organs to replace or repair damaged biological structures. It combines principles from biology, materials science, and engineering to develop scaffolds that support cell growth and tissue formation. These scaffolds can be made from natural or synthetic materials and are designed to mimic the properties of real tissues. Researchers in tissue engineering often use stem cells to generate new tissues, as these cells have the ability to differentiate into various cell types. The ultimate goal is to produce functional tissues that can be used in medical treatments, such as repairing injuries or treating diseases, thereby improving patient outcomes and reducing the need for organ transplants.