1) Erythrocyte 2) Red blood cell 
A small, spherical red blood cell. ... Origin: sphero-+ G. Kytos, cell ... (05 Mar 2000) ... 
(sfēr´o-sīt) a small, globular, completely hemoglobinated erythrocyte without the usual central pallor, found in hereditary spherocytosis and acquired hemolytic anemia. adj., spherocyt´ic., adj.
Type: Term Pronunciation: sfē′rō-sīt Definitions: 1. A small, spheric red blood cell.
[n] - an abnormal spherical red blood cell
noun an abnormal spherical red blood cell