This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
First to appear amongst the ossification centres about the elbow is: 
Select and explain. 
A. Radial Head, B. Olecranon, C. Lateral epicondyle, D. Capitellum
D: Capitellum
Answer: D: Capitellum 
Explanation: D i.e. Capitellum