title: Cyclic nucleotides in ascidian embryonic development. I. Cyclic nucleotides determination.
mesh_terms: D000818:Animals; D002938:Ciona intestinalis / Q000196:embryology*; D000242:Cyclic AMP / Q000032:analysis*; D006152:Cyclic GMP / Q000032:analysis*; D005260:Female; D009865:Oocytes / Q000032:analysis; D014561:Urochordata / Q000196:embryology*
chemical_list: D000242:Cyclic AMP; D006152:Cyclic GMP