The "M" cell. A special effector cell system for rejection of hematopoietic grafts.
D000818:Animals; D001853:Bone Marrow / Q000276:immunology; D001854:Bone Marrow Cells; D006084:Graft Rejection; D006087:Graft vs Host Reaction; D006168:Guinea Pigs; D006413:Hematopoietic System / Q000166:cytology* / Q000276:immunology; D006801:Humans; D008214:Lymphocytes / Q000276:immunology*; D051379:Mice; D051381:Rats