title: Sperm-egg binding events during sea urchin fertilization.
mesh_terms: D000177:Acrosome / Q000502:physiology; D000818:Animals; D000954:Antigens, Surface / Q000032:analysis; D002448:Cell Adhesion; D005260:Female; D005306:Fertilization; D006023:Glycoproteins / Q000302:isolation & purification / Q000502:physiology*; D008297:Male; D008561:Membrane Fusion; D008565:Membrane Proteins / Q000502:physiology; D010063:Ovum / Q000166:cytology / Q000502:physiology*; D011956:Receptors, Cell Surface / Q000502:physiology; D012617:Sea Urchins; D013084:Sperm-Ovum Interactions; D013094:Spermatozoa / Q000166:cytology / Q000276:immunology / Q000502:physiology*
chemical_list: D000954:Antigens, Surface; D006023:Glycoproteins; D008565:Membrane Proteins; D011956:Receptors, Cell Surface; C035027:egg surface sperm receptor