stomatocytosis, hereditary

stomatocytosis, hereditary

S19-901500 (stō″mă-tō-sī-tō′sĭs) A disorder of erythrocytes usually inherited as an autosomal dominant. A membrane defect in the red blood cells permits the entry of excess sodium ions and water, causing the cells to swell. Hemolysis and anemia range from mild to severe.