ERK/MAPK: Extracellular Signal-Regulated Kinases/Mitogen-Activated Protein Kinases

What does ERK/MAPK mean? The above is one of ERK/MAPK meanings. It may have other definitions. Please refer to the end of this passage.

Definition in English: Extracellular Signal-Regulated Kinases/Mitogen-Activated Protein Kinases