This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
The sickle shaped fold of dura mater 
Select and explain. 
A. Falx Cerebri, B. Tentorium cerebelli, C. Falx cerebelli, D. Diaphragma sellae
A: Falx Cerebri
Answer: A: Falx Cerebri 
Explanation: The falx cerebri is a large sickle-shaped fold of dura mater occupying the median longitudinal fissure between the two cerebral hemispheresRef: BD Chaurasia, Volume 3, 6th edition; Page no: 91