swollen erythrocyte in the white background

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