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
[{'content': 'True about 3rd ventricle is \nSelect and explain. \nA. Cavity of rhombencephalon, B. Communicates with lateral ventricle aqueduct of sylvius, C. Communicates with 4th ventricle foramen of munro, D. Intehalamic adhesions connects lateral walls of 3rd ventricle', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 3rd ventricleCavity of DiencephalonMedian cleft between 2 thalamic nucleiConnected to lateral ventricle Foramen of munroConnected to 4th ventricle aqueduct of sylviusFloor contains Optic chiasma, mammillary body, Infundibulum (pituitary stalk), Tuber cinereumPosterior wall : Pineal body, posterior commissure and cerebral aqueduct', 'role': 'assistant'}]