This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Which of the following has head at epiphysis 
Select and explain. 
A. Distal phalanx, B. Middle phalanx, C. Thumb metacarpal, D. Third metacarpal
D: Third metacarpal
Answer: D: Third metacarpal 
Explanation: Aberrant epiphysis: These epiphyses are detions from the norm and are not always present. For example, the epiphysis at the head of the first metacarpal bone.