Cell Fusion nonhuman 10 animal cell 8 priority journal 8 Animals 6 Male 6 article 6 cell fusion 6 Animalia 4 Electricity 4 Female 4 Gamete fusion 4 Hybrid Cells 4 Rats 4 Sperm-Ovum Interactions 4 Spermatozoa 4 acrosome reaction 4 adenylate cyclase 4 cell protein 4 controlled study 4 gamete 4 protein localization 4 unclassified drug 4 3beta bromo 5alpha,22,23 trihydroxystigmastan 6 one 2 Acrosome reaction 2 Adenylate Cyclase 2 Adrenal Glands 2 Animal 2 Antiviral Agents 2 Antiviral activity 2