im·mu·no·gen /ɪˈmjunəʤən, ˌʤɛn/
免疫原
im·mu·no·gen /ɪˈmjunəʤən, ˈɪmjənə, ˌʤɛn/ 名詞
免疫源,致免源
immunogen
n : any substance or organism that provokes an immune response
(produces immunity) when introduced into the body [syn: immunizing
agent]