Ras protein (Ras蛋白)

protein kinase C，PKC (蛋白激酶C)

epidermal growth factor, EGF (表皮生長因子)

enzyme linked receptor (酶聯(lián)受體)

protein kinase A，PKA (蛋白激酶 A)

affinity labeling (親和標記)

intracellular receptor (細胞內(nèi)受體)

EGF受體（EGF receptor）

receptor crossover (受體交叉)

first messenger;primary messenger(第一信使)