<unk>  is the softening of bones due to the removal of calcium ions, and can be performed as a histological technique to study bones and extract DNA. This process also occurs naturally during bone development and growth, and when uninhibited, can cause diseases such as osteomalacia.
Bone decalcification
Bone erosion
Osteolysis
Articular cartilage damage
Periosteal reaction
Calcification
Articular cartilage repair
Joint stiffness