FertilizationSperm-Ovum InteractionsZona PellucidaOvumSpermatozoaFertilization in VitroZygoteOocytesEgg ProteinsSperm AgglutinationAcrosome ReactionOogenesisPronaseAcrosomeUrochordataParthenogenesisNerve BlockSwineOviductsSperm MotilitySea UrchinsEmbryo Culture TechniquesCytoplasmic GranulesBlastocystFallopian TubesHeart BlockExocytosis