Rh factor Rh-negative Rh-positive Rh-type Rhesus factor X ray antibody antigen arterial blood arterial transfusion blood blood cell blood count blood donor blood donor center blood group blood grouping blood picture blood platelet blood pressure blood serum blood substitute blood transfusion bloodmobile bloodstream charity ward circulation clinic clinical dextran consultation room delivery room dextran direct transfusion dispensary drip transfusion emergency erythrocyte examining room exchange transfusion exsanguination transfusion exsanguino transfusion fever ward globulin gore grume hematics hematologist hematology hematoscope hematoscopy hemocyte hemoglobin hemometer hospital room humor ichor intensive care isoantibody isolation labor room laboratory leukocyte lifeblood maternity ward neutrophil nursery operating room opsonin perfusion phagocyte pharmacy plasma plasma substitute plasma transfusion prison ward private room reciprocal transfusion recovery room red corpuscle replacement transfusion semi-private room serum serum transfusion surgery therapy transfusion treatment room type O venous blood venous transfusion ward white corpuscle