The treatment of articular chondral defects from the knee has classically been challenging, mainly because of the cartilage's aneural, avascular and alymphatic nature. This makes normal healing of chondral defects nearly impossible. Damaged knee cartilage can result in painful symptoms, knee pain swelling staying the commonest. You may knowledge this https://www.theorthopaedicandpainpractice.com/what-are-cartilage-lesions/