The term, "extracellular signal–regulated kinases", is sometimes used as a synonym for mitogen-activated protein kinase (MAPK), but has more recently been adopted for a specific subset of the mammalian MAPK family.
Termin, „ekstracelularnim signalom regulisane kinaze", se ponekad koristi kao sinonim za mitogenom-aktivirane proteinske kinaze (MAPK), ali je u skorije vreme bio usvojen za specifičniji podskup sisarske MAPK familije.