title: The form and the substance.
authors.affiliation: Department of Biological Sciences, Stanford University, California 94305-5020, USA.
authors.forename: T
authors.initials: T
authors.lastname: Stearns
mesh_terms: D018385:Centrosome / Q000648:ultrastructure*; D005260:Female; D005306:Fertilization; D005307:Fertilization in Vitro; D006801:Humans; D008297:Male; D013094:Spermatozoa / Q000648:ultrastructure*; D008941:Spindle Apparatus / Q000648:ultrastructure