Bite cells

Bite cells are the result from the mechanical removal of denatured hemoglobin in the spleen. Red cells migrate through endothelial slits from splenic cords into the splenic sinuses forming bite cells because of this removal.
Glucose-6-phosphate dehydrogenase deficiency is a common cause, but they can also be seen with other enzyme deficiencies, intoxication (such as dapsone or sulfasalazine), some medication and sometimes in hemolytic anemia with severe liver disease as well.