system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Sperm remains in epididymis for ______ hours?
assistant
The correct answer is  - Sperms after forming in seminiferous tubules enter epididymis - Sperms in seminiferous tubules & early poions of epididymis => non-motile & cannot feilize ovum - After sperm had been for (18-24 hrs) in epididymis, sperms attain capability of motility