Osteochondritis is a painful type of

osteochondrosis Osteochondrosis is a family of orthopedic diseases of the joint that occur in children, adolescents and rapidly growing animals, particularly pigs, horses, dogs, and broiler chickens. They are characterized by interruption of the blood supply of a ...

where the cartilage or

bone A bone is a rigid organ that constitutes part of the skeleton in most vertebrate animals. Bones protect the various other organs of the body, produce red and white blood cells, store minerals, provide structure and support for the body, an ...

in a

joint A joint or articulation (or articular surface) is the connection made between bones, ossicles, or other hard structures in the body which link an animal's skeletal system into a functional whole.Saladin, Ken. Anatomy & Physiology. 7th ed. McGraw ...

inflamed Inflammation (from la, inflammatio) is part of the complex biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants, and is a protective response involving immune cells, blood vessels, and molecu ...

. It often refers to

osteochondritis dissecans Osteochondritis dissecans (OCD or OD) is a joint disorder primarily of the subchondral bone in which cracks form in the articular cartilage and the underlying subchondral bone. OCD usually causes pain during and after sports. In later stages ...

(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 deformans juvenilis 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 disse ...

(osteochondritis of the capitular head of the

epiphysis The epiphysis () is the rounded end of a long bone, at its joint with adjacent bone(s). Between the epiphysis and diaphysis (the long midsection of the long bone) lies the metaphysis, including the epiphyseal plate (growth plate). At the ...

of the

femur The femur (; ), or thigh bone, is the proximal bone of the hindlimb in tetrapod vertebrates. The head of the femur articulates with the acetabulum in the pelvic bone forming the hip joint, while the distal part of the femur articulates wit ...

) and osteochondritis deformans juvenilis dorsi (osteochondrosis of the

spinal vertebrae The spinal column, a defining synapomorphy shared by nearly all vertebrates,Hagfish are believed to have secondarily lost their spinal column is a moderately flexible series of vertebrae (singular vertebra), each constituting a characteristic i ...

, also known as Scheuermann's disease). Osteochondritis, and especially osteochondritis dissecans, can manifest in animals as a primary cause of

elbow dysplasia Elbow dysplasia is a condition involving multiple developmental abnormalities of the elbow-joint in the dog, specifically the growth of cartilage or the structures surrounding it. These abnormalities, known as 'primary lesions', give rise to o ...

, a chronic condition in some dog breeds.Quoted from:

References

External links

Chondropathies Inflammations {{orthopedics-stub es:Osteocondrosis it:Osteocondrosi