NCIt definition : A peripheral blood finding in which a large number of erythrocytes are shaped in an
elliptical form.;
Alternative definition : NICHD: Elliptocytosis, also known as ovalocytosis, is an inherited blood disorder
in which an abnormally large number of the patient's erythrocytes (i.e. red blood
cells) are elliptical rather than the typical biconcave disc shape. It is one of many
red-cell membrane defects. In its severe forms, this disorder predisposes to hemolytic
anemia.;