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: Orthopaedics
Osteochondroma arises from 
Select and explain. 
A. Medullary cavity, B. Diaphysis, C. Metaphysis, D. Epiphysis
C: Metaphysis
Answer: C: Metaphysis 
Explanation: None