The treatment of articular chondral defects in the knee has classically been challenging, a result of the cartilage's aneural, avascular and alymphatic mother nature. This makes normal healing of chondral defects almost impossible. In a very wholesome joint, the cartilage separates the finishes on the bones from coming into connection https://www.theorthopaedicandpainpractice.com/what-are-cartilage-lesions/