This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
ALL THE FOLLOWING ARE STRUCTURES PRESENT OUT SIDE BLOOD BRAIN BARRIER EXCEPT ? 
Select and explain. 
A. TUBERUS CINERIUM, B. AREA OF PROSTREMA, C. LAMINA TERMINALIS, D. NEUROHYPOPHYSIS
A: TUBERUS CINERIUM
Answer: A: TUBERUS CINERIUM 
Explanation: TUBERUS CINERIUM IS PA OF FLOOR OF 3RD VENTRICLE REMAINING ALL ARE THE ONLY STRUCTURES OUTSIDE BBB REF :bd chaurasia