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
Incomplete fractures are called as 
Select and explain. 
A. Woodcrumble fractures, B. Compression fractures, C. Greenstick fractures, D. Salter fractures
C: Greenstick fractures
Answer: C: Greenstick fractures 
Explanation: Although in adults, the fracture line is generally complete, i.e. it extends through both cortices, in children the different mechanical qualities of the bone may lead to other patterns, in which the fracture line is incomplete. These are termed torus and greenstick fractures.