This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Which one of the following statement is false about Pituitary gland? 
Select and explain. 
A. Somatotropic hormone secretion, B. Blood supply is by circle of Willis, C. It is derived completely from ectoderm, D. It is connected to thalamus by infundibulum
D: It is connected to thalamus by infundibulum
Answer: D: It is connected to thalamus by infundibulum 
Explanation: The pituitary gland is suspended from the floor of the 3 rd ventricle by a stalk called the infundibulum.It secretes somatotropic hormonesAerial supply is by superior and inferior hypophyseal aeries, branches of internal carotid aeryDevelopment from ectoderm.Reference: Textbook of anatomy, Head Neck, and Brain, Vishram Singh, 2nd edition, page no.330-331