Mesenchymal stem cells (MSCs) are a type of adult stem cell that can be found in many tissues throughout the body, including the bone marrow, adipose tissue, and even umbilical cord tissue. MSCs have the ability to differentiate into a variety of cell types, including osteoblasts, chondrocytes, myocytes, and adipocytes. MSCs can be extracted from Wharton's jelly, a gelatinous substance found in the connective tissue of the umbilical cord. MSCs can be cultured and grown in the laboratory and have been shown to be a promising source of cells for regenerative medicine. There are many potential applications for MSCs, including the treatment of injuries and diseases of the musculoskeletal system, the cardiovascular system, and the nervous system. MSCs have already been used in clinical trials for the treatment of conditions such as Crohn's disease, multiple sclerosis, and heart failure. The use of MSCs holds great promise for the future of medicine. However, there are still many challenges that need to be addressed, such as the development of efficient and safe methods for the isolation and expansion of MSCs, and the characterization of MSCs from different tissues.