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: Physiology
Testosterone production is mainly contributed by:March 2011, September 2011 
Select and explain. 
A. Leydig cells, B. Seoli cells, C. Seminiferous tubules, D. Epididymis
A: Leydig cells
Answer: A: Leydig cells 
Explanation: Ans. A: Leydig cellsLeydig/Interstitial cells secrete androgenic hormone testosterone at the time of pubey