title: Mechanism of fertilization.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000502:physiology; D004594:Electrophysiology; D005260:Female; D005306:Fertilization; D008297:Male; D010063:Ovum / Q000502:physiology; D012617:Sea Urchins; D013084:Sperm-Ovum Interactions