lacks_plasma_membrane_part has plasma membrane part develops from capable of orthochromatic erythroblast reticulocyte MESH:D012156 BTO:0001173 An immature erythrocyte that changes the protein composition of its plasma membrane by exosome formation and extrusion. The types of protein removed differ between species though removal of the transferrin receptor is apparent in mammals and birds. CALOHA:TS-0864 erythroid lineage cell extracellular exosome assembly