Platelets on a blood smear

Platelets – what are they ?

Platelets: Most are 1/5 to 1/3 the size of a normal RBC . They are typically round with a blue-bray cytoplasm. Cytoplasm with purple/blue granules. Increased in: Iron deficiency ...
Smear Preparation 1

Wedge slide technique for preparation of a peripheral blood smear

Target Cell Appearance (Bull's Eye)

Codocytes known as Target Cells

Codocytes (“target cells”) are thin, hypochromatic cells with a round area of central pigmentation. Codocytes are characteristically seen after splenectomy, and in patients ...
peripheral smear - zone of morphology

zone of morphology in a peripheral smear

A well-made peripheral smear is thick at the frosted end and becomes progressively thinner toward the opposite end. The “zone of morphology” (area of optimal thickness ...
Blood Composition

Blood Composition

HBV's disease stages and AB-AG

relationship between HBV’s disease stages and AB-AG

A diagram shows the relation between HBV’s disease stages and AB-AG
Blood Clotting

Understand Blood Clotting

fern-leaf shape of Triple Phosphate crystals

Triple Phosphate Crystals

Triple Phosphate crystals are normal in urine Appearance: typically appear in “coffin-lid” form. May also appear as “fern-leaf” shape if freshly formed. Although ...
Calcium carbonate crystals

Calcium carbonate crystals

Calcium carbonate crystals are normal in urine Appearance: small, colorless granules or dumbbells. Not clinically significant but can be confused with other elements. A unique feature ...
Several Platelets surround Neutrophil

Platelet Satellitosis

Small platelets or platelet aggregates surrounding the cell membrane of a neutrophil or monocyte , this is called “Platelet Satellitism” Found in: EDTA in vitro induced ...
Acute and Chronic HBV

Acute and Chronic Hepatitis B Comparision

Howell-Jolly bodies

Howell-Jolly bodies in a thin blood smear stained with Giemsa

Howell-Jolly bodies are inclusion that may be seen in splenectomized patients or patients with an otherwise non-functioning or atrophic spleen, and in patients with severe anemia or ...
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