title: Fertilization and sperm competition in the nematode Caenorhabditis elegans.
mesh_terms: D000818:Animals; D002107:Caenorhabditis / Q000502:physiology*; D005260:Female; D005306:Fertilization; D008297:Male; D009865:Oocytes / Q000502:physiology / Q000648:ultrastructure; D010057:Oviducts / Q000502:physiology* / Q000648:ultrastructure; D013094:Spermatozoa / Q000502:physiology*; D014599:Uterus / Q000502:physiology / Q000648:ultrastructure