(Reuters) — For the first time, fully functional human cartilage has been grown using stem cells derived from human bone marrow in a laboratory. According to the research team at Columbia University in New York who developed the new method, cartilage is a simple but important tissue. It is the only tissue in the body that does not have blood vessels or nerves. It is also a load-bearing tissue that protects the bone ends in the joints. Cartilage […]