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: Anatomy
Hypothalmo-hypophyseal tract is present in? 
Select and explain. 
A. Infundibular stalk, B. Pars intermedia, C. Pars nervosa, D. All of the above
A: Infundibular stalk
Answer: A: Infundibular stalk 
Explanation: None