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 come in relation with the urethral crest which is situated in the prostatic pa of the urethra, except: 
Select and explain. 
A. Ejaculatory ductus, B. Prostatic utricle, C. Prostatic sinus, D. Colliculus seminalis
A: Ejaculatory ductus
Answer: A: Ejaculatory ductus 
Explanation: Ejaculatory ductus