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
All of the following mediate erection of penis except - 
Select and explain. 
A. Pudendal nerve, B. Sacral plexus, C. Hypogastric plexus, D. Nervi erigentes (S234)
C: Hypogastric plexus
Answer: C: Hypogastric plexus 
Explanation: The erection of penis is by parasympathetic supply in which afferent is by pudendal nerve and sacral plexus while efferent is by pelvic splanchnic nerve (nervi erigentis).