From the case:
Elbow ossification centers
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Order of elbow ossification centers: capitellum, radial head, internal (medial) epicondyle, trochlea, olecranon and external (lateral) epicondyle.
Case Discussion
The ossification centers appear at (in years) 1-3-5-7-9-11 (simple) and 1-5-7-10-10-11 (more accurate):
capitellum: 1 year
radial head: 3 years
internal epicondyle: 5 years
trochlea: 7 years
olecranon: 9 years
external epicondyle: 11 years
Cases used (with permission) from the following by Dr Andrew Dixon:
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