CRITOE - the important mnemonic used to remember the names and order of appearance of the six elbow ossification centers. Elbow trauma is common in childhood and knowing CRITOE can be critical to detecting important pathology. This video tutorial includes two abnormal teaching cases which start at 3:31.
C - capitellum : 1 year
R - radial head : 3 years
I - internal (medial) epicondyle : 5 years
T - trochlea : 7 years
O - olecranon : 9 years
E - external (lateral) epicondyle : 11 years