Mosaicplasty: Removing a little piece of nutritious articular cartilage and underlying bone from a non-body weight-bearing Portion of the joint; then putting in this piece to the wounded website, thus restoring the smooth floor on the cartilage.  (OCD), a situation the place a bit of the cartilage and also the layer https://www.theorthopaedicandpainpractice.com/what-are-cartilage-lesions/