epiphyseal plate


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epiphyseal plate

[ə¦pif·ə¦sē·əl ′plāt]
(anatomy)
The broad, articular surface on each end of a vertebral centrum.
The thin layer of cartilage between the epiphysis and the shaft of a long bone. Also known as metaphysis.
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Chondrocytes replicate at high rate in the proliferation zone of the epiphyseal plate become differentiated in the zone of maturation or hypertrophic zone where they attract growth of the blood vessels and bone forming osteoblasts which ossify the hypertrophic zone cartilage into bone (Nilsson et al.
The classic hypothesis considers them to be epiphyseal plate anomalies, occurring in the earliest phase of bone development, which results in the disruption, herniation, and rotation of a growth plate fragment.
The width at the distal end was also measured at the widest point, but the precise location varied; in some, it was very close to the end at the lateral and medial edges of the corresponding articular condyles, and in others it was proximal to the condyles, in the approximate location of the epiphyseal plate (Fig.
Nolan said that the number of ribs and epiphyseal plate densities remain a riddle; while he is open to the foetus hypothesis, he thinks that the jury is still out.
The growth plate, also known as the epiphyseal plate or physis, is the area of growing tissue near the end of the long bones in children and adolescents.
Growth and metabolism of epiphyseal plate cells are directly stimulated by growth hormone and one of its mediators, insulin-like growth factor-I.