Alterations In Erythrocyte Shape

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SPHEROCYTE

OVALOCYTE
LEPTOCYTE
ACANTHOCYTE
MEGALOCYTE

STOMATOCYTE

SCHIZOCYTE
POIKILOCYTE
DACROCYTE
ROULEAUX FORMATION

OVALOCYTE (ELIPTOCYTE)

 

Description:

Also results from a defect in the red cell membrane. The life span in the circulation is shortened, and the osmotic resistance is decreased in most cases. Hemolysis is not as marked as in spherocytosis.

Size:

7-8.5 µm

Shape:

Elliptic shape is apparent in the reticulocyte stage.

Significance:     

Found in hereditary elliptocytosis and myelofibrosis in some cases.