title: Periodic change in the content of adenosine 3'5'-cyclic monophosphate with close relation to the cycle of cleavage in the sea urchin egg.
mesh_terms: D000818:Animals; D002110:Caffeine / Q000494:pharmacology; D002455:Cell Division; D000242:Cyclic AMP / Q000378:metabolism*; D005260:Female; D005306:Fertilization; D008938:Mitosis / Q000187:drug effects; D010063:Ovum / Q000378:metabolism*; D012617:Sea Urchins / Q000187:drug effects / Q000254:growth & development / Q000378:metabolism*; D013056:Spectrophotometry, Ultraviolet; D013997:Time Factors
chemical_list: D002110:Caffeine; D000242:Cyclic AMP