Major Histocompatibility Complex
Complex, Histocompatibility; Complex, Major Histocompatibility; Complices, Histocompatibility; Complices, Major Histocompatibility; Histocompatibility Complex, Major; Histocompatibility Complices; Histocompatibility Complices, Major
The genetic region which contains the loci of genes which determine the structure of the serologically defined (SD) and lymphocyte-defined (LD) TRANSPLANTATION ANTIGENS, genes which control the structure of the IMMUNE RESPONSE-ASSOCIATED ANTIGENS, HUMAN; the IMMUNE RESPONSE GENES which control the ability of an animal to respond immunologically to antigenic stimuli, and genes which determine the structure and/or level of the first four components of complement.