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: Unknown
Pituitary secretes all hormones except ? 
Select and explain. 
A. GH, B. Prolactin, C. Oxytocin, D. Thyroxine
D: Thyroxine
Answer: D: Thyroxine 
Explanation: Ans. is 'd' i.e., Thyroxine