Elliptocytes

  Elliptocytes are also called pencil cells, cigar cells, and ovalocytes. They are elongated and rod-shaped, often with a central area of biconcavity and pallor, with hemoglobin ...

Thalassemia

Hypochromia

Hypochromia, used when central pallor exceeds one third of the cells diameter. Found in iron deficiency, thalassaemia, and any of the conditions leading to microcytosis.

Elements of the Blood

Plasma Cell

plasma cell has a dark purple ovoid nucleus and eccentrically placed with a wheel -spoke pattern, no nucleolus .cytoplasm is abundant and deep blue with a clear area next to the nucleus ...

Polychromatophilic RBC

– Slightly larger than normal mature RBCs – Lacks a nucleus – Cytoplasm is grayish-orange in color – It’s called a Reticulocyte when the precipitated RNA ...

Teardrop Cell (dacrocytes)

Microscopic Features: About the same size as a normal RBC RBC is Teardrop or pear-shaped Increased in: Myelofibrosis Bone marrow infiltration by hematologic or non-hematologic malignancy Artifact ...

Hereditary Spherocytosis

  Congenital spherocytic anemia is a disorder of the surface layer (membrane) of red blood cells. It leads to red blood cells that are shaped like spheres, and premature breakdown ...

Hemolysis Diagram

Iron and CBC Studies in Thalassemia vs Iron Defiency

Abnormal Red Blood Cells Morphology and Possible Causes

Sickling Test

Principle : One drop of blood is mixed with one drop of sodium metabisulfate reagent on a slide . if the erythrocytes contain hemoglobin S , they will become sickled –shaped . ...
© 2026 Medical Laboratories. All rights reserved. Site Admin · Entries RSS · Comments RSS
Powered by WordPress · Powered by Medical Labs