Second Messenger Systems
Synonyms
Intracellular Second Messenger
Intracellular Second Messengers
Messenger, Second
Messengers, Intracellular Second
Messengers, Second
Second Messenger
Second Messenger System
Second Messenger, Intracellular
Second Messengers
Second Messengers, Intracellular
System, Second Messenger
Systems, Second Messenger
Systems in which an intracellular signal is generated in response to an intercellular primary messenger such as a hormone or neurotransmitter. They are intermediate signals in cellular processes such as metabolism, secretion, contraction, phototransduction, and cell growth. Examples of second messenger systems are the adenyl cyclase-cyclic AMP system, the phosphatidylinositol diphosphate-inositol triphosphate system, and the cyclic GMP system.