Increased motility, zona binding and oolemma fusion capacities are also acquired within the epididymis and are necessary for those cells that finally arrive at the site of fertilization.

• 精子在附睾中同时提高了运动力、透明带的结合能力以及与卵膜融合的能力，而这些能力是精子到达授精位置所必需的。