The triradiate cartilage (in Latin cartilago ypsiloformis) is the 'Y'-shaped
epiphyseal plate between the
ilium
Ilium or Ileum may refer to:
Places and jurisdictions
* Ilion (Asia Minor), former name of Troy
* Ilium (Epirus), an ancient city in Epirus, Greece
* Ilium, ancient name of Cestria (Epirus), an ancient city in Epirus, Greece
* Ilium Building, a ...
,
ischium and
pubis to form the
acetabulum
The acetabulum (), also called the cotyloid cavity, is a concave surface of the pelvis. The head of the femur meets with the pelvis at the acetabulum, forming the hip joint.
Structure
There are three bones of the ''os coxae'' (hip bone) tha ...
of the
os coxae.
Human development
In children, the triradiate cartilage closes at an approximate
bone age of 12 years for girls and 14 years for boys.
Clinical use
Evaluating the position of the triradiate cartilage on an
AP radiograph
Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-ionizing radiation to view the internal form of an object. Applications of radiography include medical radiography ("diagnostic" and "therapeuti ...
of the
pelvis with both
Perkin's line and
Hilgenreiner's line can help establish a diagnosis of
developmental dysplasia of the hip
Hip dysplasia is an abnormality of the hip joint where the socket portion does not fully cover the ball portion, resulting in an increased risk for joint dislocation. Hip dysplasia may occur at birth or develop in early life. Regardless, it do ...
.
References
See also
{{Pelvis
Pelvis