seamless pattern of red red blood cells under a microscope on a white background . 3d , top view

blood cell erythrocyte cells hemoglobin biology microbiology medical agglutinated cold agglutinin disease haemagglutination 3d red background scientific artery microscopic illustration medicine closeup organism micro clot white isolated rendering cut out abnormal agglutination autoagglutination clump clumped outs nobody cutouts haematological haematology hemagglutination noone cgi cutout magnification three dimensional vein health microscope human