An abnormally shaped red cell
Examples of poikilocytes include:
Sickle cells (drepanocytes) Burr cells (echinocytes) Spur cells (acanthocytes) Target cells (codocytes) Spherocytes Elliptocytes (includes pencil cells) Stomatocytes Bite cells Tear drop cells (dacrocytes) Schistocytes (includes helmet cells, horn cells, triangular cells, microspherocytes) Fish-shaped red cells