Scientists say they've identified a new type of cartilage — one that was actually discovered in the 19th century, forgotten, rediscovered and then forgotten again. Medical textbooks describe ...

Two new studies offer insights into the evolution and development of external ears, which appear in humans and other mammals ...

OA is characterized by degradation of the cartilage tissue in joints. Cartilage comprises two major components, the extracellular matrix (the surrounding proteins that provide structure ...