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: Medicine
In cranial synostosis scaphyocephaly there is premature closure of which suture ? 
Select and explain. 
A. Sagittal suture, B. Coronal suture, C. Lamdoid suture, D. All above
A: Sagittal suture
Answer: A: Sagittal suture 
Explanation: None