swollen erythrocyte with normal red blood cell

macrocytosis megaloblastic megalocytosis swollen swell anaemia erythrocyte erythrocytes large red blood cell lymphocyte normal blood cells macrocythemia macrocytic 3d campare comparation rendering anemia enlarge enlargement artery biology closeup disease disorder health hemoglobin human hyposmotic hypotonic isolated medical medical medicine microscopic platelet round science scientific sickness structure system vein background black body