PubMed · 1974 · 162 citations · 0 references
Life SciencesCell BiologyComparative Reproductive BiologyGametogenesisReproductive BiologyCellular UltrastructureGamete BiologyGamete FormationGamete TransportGametophyte DevelopmentOogenesisFemale Gametophyte DevelopmentGamete MorphologyGametophyte AnatomySperm Ultrastructural MorphologySperm Ultrastructure