dualism-the doctrine that reality consists of two basic opposing elements, often taken to be mind and matter (or mind and body), or good and evil. dynamism-any of the various theories or doctrines or philosophical systems that attempt to explain the phenomena of the universe in terms of some immanent force or energy.
But chondromalacia patellae affects just one side of the joint, the convex patellar side. (E) Excised patellas show localized softening and degeneration of the articular cartilage. (C) The main symptom of chondromalacia patellae is anterior knee pain.
Collagen and Cartilage. Cartilage is a rather firm rubber material that covers the extremities of bones in normal joints. The primary function of cartilage is to reduce joint friction and, since cartilage can change shape when compressed, serve as a shock absorber for the bones.