This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brain , Subject name: Anatomy
[{'content': 'Pars intermedia of hypophysis cerebri from? \nSelect and explain. \nA. Endoderm, B. Mesoderm, C. Oral ectoderm, D. Neuroectoderm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The intermediate pas of pituitary gland develop from an ectodermal diveiculum called RATHKE&;S pouchThis grows upwards from the roof of stomatodaeum, just in front of buccopharyngeal membrane.(Ref: human embryology by IB Singh 9th edition,pg-310)', 'role': 'assistant'}]