| Triradiate cartilage | |
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The acetabulum
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| TA2 | 1859 |
| Anatomical terminology | |
The triradiate cartilage (in Latin cartilago ypsiloformis) is the Y-shaped epiphyseal plate between the ilium, ischium and pubis to form the acetabulum of the os coxae.
In children, the triradiate cartilage closes at an approximate bone age of 12 years for girls and 14 years for boys.[1]
Evaluating the position of the triradiate cartilage on an AP radiograph of the pelvis with both Perkin's line and Hilgenreiner's line can help establish a diagnosis of developmental dysplasia of the hip.
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| General |
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| Ilium |
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| Ischium |
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| Pubis |
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| Compound |
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