Figure-4.
Acrosomal integrity and vitality test microscopic images at 3 h of incubation time under 400×. (a) Control sperm cells, (b) Sperm cells incubated with Maca at 100 μg/mL. Slightly stained acrosomes and/or cytoplasm indicates viable sperm, and strongly stained acrosomes and/or cytoplasm are damaged or dead sperm cells.