Epiphyseal

Epiphyseal is a term used in anatomy and orthopedics to refer to the area of growth in the long bones of the body. This area, also known as the growth plate, is found at the ends of the long bones and is responsible for the lengthening of the bones during childhood and adolescence.

Anatomy

The epiphysis is the rounded end of a long bone, at its joint with adjacent bone(s). Between the epiphysis and the diaphysis (the long midsection of the long bone) lies the metaphysis, including the epiphyseal plate (growth plate). The growth plate is a layer of hyaline (transparent) cartilage in a growing bone. It is the part of a long bone where new bone growth takes place; that is, the whole bone is alive, with maintenance remodeling throughout its existing bone tissue, but the growth plate is the place where the long bone grows longer (adds length).

Clinical Significance

Injuries to the epiphyseal plate in children and adolescents can result in growth disturbances and deformities. These injuries are classified according to the Salter-Harris classification system.

Osteoarthritis can also affect the epiphyseal plate, leading to pain and limited joint mobility.

Treatment

Treatment of epiphyseal injuries depends on the type and severity of the injury. It may include immobilization, physical therapy, or surgery.

See Also

• Bone
• Growth plate
• Osteoarthritis
• Salter-Harris classification

References

Epiphyseal Resources
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