Osteochondritis is a painful type of osteochondrosis where the cartilage or bone in a joint is inflamed. It often refers to osteochondritis dissecans (OCD). The term dissecans refers to the "creation of a flap of cartilage that further dissects away from its underlying subchondral attachments (dissecans)". The other recognized types of osteochondritis are (osteochondritis of the of the epiphysis of the femur) and osteochondritis deformans juvenilis dorsi (osteochondrosis of the spinal vertebrae, also known as Scheuermann's disease).