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
The aery to the ductus dererens is a branch of? 
Select and explain. 
A. Inferior epigastric aery, B. Superior epigastric aery, C. Superior vesical aery, D. Cremasteric aery
C: Superior vesical aery
Answer: C: Superior vesical aery 
Explanation: The ductus deferens recieves its blood supply from the aery to ductus deferens which usually arises from the superior vesical aery. Occasionally it may arise from the inferior vesical aery.