This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Male Genital System, Subject name: Anatomy
Benign prostatic hyperplasia (BPH) involves - 
Select and explain. 
A. Anterior lobe, B. Posterior lobe, C. Lateral lobe, D. Median lobe
D: Median lobe
Answer: D: Median lobe 
Explanation: Ans. is 'd' i.e., Median lobe o The prostate is incompletely divided into five lobes.o The anterior lobe lies in front of the urethra and devoid of glandular tissue hence adenoma seldom occurs here.o The Median lobe (Middle lobe) is situated between prostatic urethra and ejaculatory duct. Its upper part is related to trigone bladder. It contains glandular tissue and is most common site of benign prostatic hyperplasia (BPH) and adenoma.o The Posterior lobe is situated behind the urethra and below the ejaculatory duct. It also contains glandular tissue and is the most common site for prostatic carcinoma.o The right and left lateral lobes lie on either side of urethra. Lateral lobe contains many glands.