MHCalso: エムエイチシー · エムエッチシーMeanings1nounmajor histocompatibility complex; MHCbiology›Technical term in biology; refers to a set of cell surface proteins essential for the immune system to recognize foreign molecules.MHCは免めん疫えき応おう答とうにおいて重じゅう要ような役やく割わりを果はたす。MHC plays an important role in the immune response.