(n.) The normal coloring matter of the red blood corpuscles of vertebrate animals. It is composed of hematin and globulin, and is also called haematoglobulin. In arterial blood, it is always combined with oxygen, and is then called oxyhemoglobin. It crystallizes under different forms from different animals, and when crystallized, is called haematocrystallin. See Blood.

Rh factor Rh-negative Rh-positive Rh-type Rhesus factor albumin albuminoid antibody antigen arterial blood blood blood bank blood cell blood count blood donor blood donor center blood group blood grouping blood picture blood platelet blood pressure blood serum blood substitute bloodmobile bloodstream casein chlorophyll chromoprotein circulation clinical dextran collagen dextran edestin elastin erythrocyte fibroin globin globulin glutenin glycoprotein gore grume hematics hematologist hematology hematoscope hematoscopy hemocyte hemometer histone humor ichor ichthulin interferon isoantibody lactalbumin lecithoprotein leukocyte lifeblood lipid lipoprotein lysozyme mucin neutrophil nucleohistone nucleoprotein opsonin oryzenin osseomucoid peptide peptone phagocyte phosphoaminolipide phosphoprotein plasma plasma substitute prolamine protamine proteose red corpuscle salmine serum serum globulin tendomucin thymus histone type O venous blood white corpuscle zein