ropalocytosis

ro·pal·o·cy·to·sis

(rō-pal'ō-sī-tō'sis),
Formation of numerous processes of erythroid cells, which in ultrathin sections appear clubshaped, associated with cytoplasmic vesicles and found in some diseases of the blood.
[G. ropalon, club, + kytos, cell, + -osis, condition]