title: Thy-1 evolution.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D000954:Antigens, Surface / Q000235:genetics* / Q000276:immunology / Q000302:isolation & purification; D005075:Biological Evolution; D006801:Humans; D007136:Immunoglobulins / Q000235:genetics; D018800:Thy-1 Antigens; D014018:Tissue Distribution
chemical_list: D000954:Antigens, Surface; D007136:Immunoglobulins; D018800:Thy-1 Antigens