This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sex Hormones, Subject name: Physiology
Sertoli cells play a key role in which of the following process 
Select and explain. 
A. Spermiogenesis, B. Testosterone secretion, C. Secretion of seminal fluid, D. Gonadogenesis
A: Spermiogenesis
Answer: A: Spermiogenesis 
Explanation: Ans. (a) Spermiogenesis