Biochem.
a cyclic anhydride of guanosine monophosphate formed from guanosine triphosphate by the action of guanylate cyclase: in cellular metabolism, it acts as a second messenger associated with increased cell division and growth. Also called cGMP, guanosine cyclic monophosphate, guanosine 3',5'-cyclic monophosphate .
[ 1970-75 ]