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
[{'content': "Derivative of Rathke's pouch ? \nSelect and explain. \nA. Anterior pituitary, B. Posterior pituitary, C. Superior parathyroid, D. Inferior parathyroid", 'role': 'user'}, {'content': "Answer: A \nExplanation: Adenohypophysis (anterior lobe) include (i) pars anterior or pars distalis or pars glandularis or anterior lobe proper, (ii) pars intermedia (intermediate lobe); and (iii) tuberal lobe (pars tuberalis). It develops from an upward growth (Rathke's pouch) from the ectodermal roof of stomodeum.Neurohypophysis (posterior lobe) include (i) pars posterior or pars nervosa or neural lobe or posterior lobe proper; (ii) infundibulum (infundibular stem); and (iii) median eminence. It develops from a downgrowth from the 3rd ventricle/ diencephalon (neuroectoderm) called infundibulum.", 'role': 'assistant'}]