title: Factors released from sea urchin eggs affect cyclic nucleotide metabolism in sperm.
mesh_terms: D000818:Animals; D000242:Cyclic AMP / Q000378:metabolism*; D006152:Cyclic GMP / Q000378:metabolism*; D004305:Dose-Response Relationship, Drug; D005260:Female; D006162:Guanylate Cyclase / Q000037:antagonists & inhibitors; D008297:Male; D010063:Ovum / Q000378:metabolism*; D012617:Sea Urchins; D013094:Spermatozoa / Q000187:drug effects / Q000378:metabolism*; D013806:Theophylline / Q000494:pharmacology
chemical_list: D013806:Theophylline; D000242:Cyclic AMP; D006162:Guanylate Cyclase; D006152:Cyclic GMP