title: Primary gamete binding. Quantitative determination of its specificity in echinoid fertilization.
mesh_terms: D000818:Animals; D005260:Female; D005306:Fertilization; D008297:Male; D012617:Sea Urchins / Q000502:physiology*; D013045:Species Specificity; D013084:Sperm-Ovum Interactions; D013094:Spermatozoa / Q000502:physiology; D014817:Vitelline Membrane / Q000502:physiology