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The epiphyseal plate, epiphysial plate, physis, or growth plate is a hyaline cartilage plate in the metaphysis at each end of a long 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).
Epiphyseal growth plate: This transverse layer lies between the epiphysis and diaphysis. It’s composed of highly active chondrocytes and responsible for longitudinal bone growth. Consequently, the bone elongates at this growth plate until closure occurs at skeletal maturity.
The metaphysis may be divided anatomically into three components based on tissue content: a cartilaginous component (epiphyseal plate), a bony component (metaphysis) and a fibrous component surrounding the periphery of the plate. The growth plate synchronizes chondrogenesis with osteogenesis or interstitial cartilage growth with both ...
Many bones in the body contain an epiphysis, a region critical for growth and articulation. The humerus, for example, is situated between the shoulder and elbow and contributes significantly to upper limb movement. Below the elbow are the radius and ulna, two bones that run parallel to each other.
Sever's disease, also known as calcaneus apophysitis, is an inflammation at the back of the heel (or calcaneus) growth plate in growing children. The condition is thought to be caused by repetitive stress at the heel. This condition is benign and common and usually resolves when the growth plate has closed or during periods of less activity.
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Abnormal movement along the growth plate results in the slip. The term slipped capital femoral epiphysis is actually a misnomer , because the epiphysis (end part of a bone) remains in its normal anatomical position in the acetabulum (hip socket) due to the ligamentum teres femoris .
On the proximal end of the femur, there are two growth plates. The previous image was correct, with one between the diaphysis and the head of the femur (which is an ossification center) and the other between the greater trochanter and the diaphysis. The only section of the proximal end of the femur that articulates is the head.