图1. 雄性小鼠采集精子团及获能1 h后的精子状态
注：A，采集的雄性小鼠一侧附睾尾与一段输精管；B，将附睾尾中采集的精子团放入精子获能液滴中；C，2只不同品系雄性小鼠的精子在获能1 h后的精子状态，左侧培养液滴中的精子稀薄，右侧培养液滴中精子散开均匀。

Figure 1. Sperm masses collected from male mice and sperm status after 1 h of capacitation
Note：A， The unilateral cauda epididymidis and a segment of the vas deferens from a male mouse； B， Sperm masses collected from the cauda epididymidis placed into droplets of sperm capacitation medium； C， The sperm status of two different strains of male mice after 1 h of capacitation： in the left culture droplet， the sperm were sparse， while in the right culture droplet， they were evenly dispersed.