title: Appearance of sperm activation factors in the ovary of the sea urchin Hemicentrotus pulcherrimus with maturation.
mesh_terms: D000818:Animals; D005260:Female; D008297:Male; D010053:Ovary / Q000032:analysis / Q000254:growth & development* / Q000378:metabolism; D010101:Oxygen Consumption / Q000187:drug effects; D012617:Sea Urchins / Q000502:physiology*; D012621:Seasons; D013094:Spermatozoa / Q000378:metabolism*