Find information on medical topics, symptoms, drugs, procedures, news and more, written in everyday language.

Red Blood Cell Shapes

Red Blood Cell Shapes
Red Blood Cell Shapes

Normal red blood cells are flexible and disk-shaped, thicker at the edges than in the middle. In several hereditary disorders, red blood cells become spherical (in hereditary spherocytosis), oval (in hereditary elliptocytosis), or sickle-shaped (in sickle cell disease).