Are Sperm Motile In The Epididymis?

Are Sperm Motile In The Epididymis? The stereocilia in the epididymis are non-motile. … Because sperm are initially non-motile as they leave the seminiferous tubules, large volumes of fluid are secreted to propel them to the epididymis. The core function of the stereocilia is to resorb 90% of this fluid as the spermatozoa start to