Sperm Nuclear Vacuoles in relation to Acrosome Reactions and Sperm Motility

Figure 1

High-magnification observation of a sperm head (×600). M: MH61-bead; ∗spermatozoa bound to an MH61-bead without large nuclear vacuoles; ∗∗spermatozoa bound to an MH61-bead with large nuclear vacuoles; #spermatozoa not bound to MH61-beads without large nuclear vacuoles; ##spermatozoa not bound to MH61-beads with large nuclear vacuoles. The arrows indicate sperm large nuclear vacuoles.