Constitutive and inducible expression of Ia antigens.
D000818:Animals; D001808:Blood Vessels / Q000276:immunology; D004727:Endothelium / Q000276:immunology; D006168:Guinea Pigs; D000949:Histocompatibility Antigens Class II; D006801:Humans; D051379:Mice; D009928:Organ Specificity; D051381:Rats; D013045:Species Specificity; D014181:Transplantation Immunology
D000949:Histocompatibility Antigens Class II