This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIIMS 2018, Subject name: Anatomy
Which of the following projects efferent fibers through the marked structure:- 
Select and explain. 
A. Hippocampus, B. Mammillary body, C. Caudate nucleus, D. Amygdala
A: Hippocampus
Answer: A: Hippocampus 
Explanation: Hippocampus The marked structure is the fornix which is the major output tract for the hippocampus, which is a functional pa of the papez circuit Papez circuit: pa of limbic system associated with memory & emotions.