This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
[{'content': 'Pituitary secretes all hormones except \nSelect and explain. \nA. GH, B. Prolactin, C. Oxytocin, D. Thyroxine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pituitary hormones, the hormones of the anterior lobe of the pituitary gland controlled by hypothalamic releasing factors; they include growth hormone (somatotropin) prolactin, thyroid-luteinizing hormone, adrenocoicotropic hormone, and melanocyte-stimulating hormone. The posterior lobe is the source of vasopressin, which inhibits diuresis and raises blood pressure, and oxytocin, which stimulates the contraction of smooth muscle, especially in the uterus.Thyroxine a thyroid hormone that contains iodine and is a derivative of the amino acid tyrosine, occurring naturally as l-thyroxine; its chemical name is tetraiodothyronine.Ref: Ganong&;s review of medical physiology; 24th edition; page no:-325', 'role': 'assistant'}]