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
Urethral Crest is situated in ? 
Select and explain. 
A. Prostatic Urethra, B. Membranous Urethra, C. Penile Urethra, D. Bulbar Urethra
A: Prostatic Urethra
Answer: A: Prostatic Urethra 
Explanation: Ans. is 'a' i.e., Prostatic UrethraPosterior wall of prostatic urethra has :?a) Urethral crest : median longitudinal mucus fold.b) Colliculus seminalis (verumonatanum) : An elevation in the middle of urethral crest with the opening of prostatic utricle at its summit and ejaculatory duct on each side.c) Openings of ejaculatory ducts : These are present on each side of the orifice of utricle.d) Prostatic sinuses : These are veical grooves preseent one on each side of urethral crest. They present with openings of prostatic glands.