| PTP | Protein tyrosine phosphorylation |
| I | Intact sperm plasma membrane |
| C | Compromised sperm plasma membrane |
| AE | Acrosomal exocytosis |
| IA | Intact acrosome |
| DGC | Density gradient centrifugation |
| PMI | Plasma membrane integrity |
| PTP | Protein tyrosine phosphorylation |
| I | Intact sperm plasma membrane |
| C | Compromised sperm plasma membrane |
| AE | Acrosomal exocytosis |
| IA | Intact acrosome |
| DGC | Density gradient centrifugation |
| PMI | Plasma membrane integrity |