This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and Reproduction, Subject name: Physiology
A major function of the epididymis is: 
Select and explain. 
A. Storage and transport of mature sperm, B. Initiating the development of spermatozoa, C. Secretion of estrogens, D. Production of inhibin
A: Storage and transport of mature sperm
Answer: A: Storage and transport of mature sperm 
Explanation: Ans. A. Storage and transport of mature spermThe epididymis and vas deferens are major storage sites of spermatozoa. Spermatozoa develop in the in the seminiferous tubules. Sertoli cells, not the epididymis, secrete estrogens and inhibin. The prostate gland, seminal vesicles, and bulbourethral glands secrete the seminal fluids.