A reevaluation of the fertilizin hypothesis of sperm agglutination and the description of a novel form of sperm adhesion.
D000818:Animals; D002448:Cell Adhesion; D008297:Male; D012617:Sea Urchins; D013073:Sperm Agglutination; D013081:Sperm Motility; D013094:Spermatozoa / Q000502:physiology* / Q000648:ultrastructure