Blister Cell in G6PD Deficiency , Red Blood Cell with a clear vacuole like area on its membrane, resembling a blister., It usually results when splenic macrophages remove precipitated Heinz Although G6PD deficiency, which can cause problems in red blood cells upon certain triggers, is the most common human enzyme defect, affecting over 400 million people, including over 1 in 10 Black Glucose 6 Phosphate Dehydrogenase Deficiency Hematology & Oncology UWorld Medical Library G6pd glucose6phosphate dehydrogenase pathway vector illustration graphic Premium Vector