The phrase "subchondral bone" refers to the hard tissue that is located just beneath the cartilage in joints. It provides support and stability to the joints, helping to absorb impact and distribute pressure during movement. Full definition
The lesions identified included subchondral bone remodeling in the fetlock and in the tarsus, remodeling of the navicular bone, focal active resorption of the coffin bone, osseous remodeling at the insertion of the suspensory ligament (Figure 3) and remodeling of the canon bone. (vetmed.ucdavis.edu)
Effects on osteoblasts are relevant to cartilage health as changes brought about by mediators on the bone underlying cartilage, known as subchondral bone, can lead to breakdown of cartilage. (nutramaxlabs.com)