title: Studies on the specificity of sperm binding in echinoderm fertilization.
mesh_terms: D000177:Acrosome / Q000502:physiology; D000818:Animals; D005260:Female; D005306:Fertilization; D007700:Kinetics; D008297:Male; D010063:Ovum / Q000502:physiology*; D011485:Protein Binding; D011506:Proteins / Q000502:physiology*; D012617:Sea Urchins / Q000502:physiology*; D013045:Species Specificity; D013094:Spermatozoa / Q000502:physiology*
chemical_list: D011506:Proteins