Myeloblast

– size : 15-20 µm – nucleus : round , N\C: 7:1 , 4:1 , reddish purple with delicate chromatin and nucleoli (2-3 ) – cytoplasm : pale to deep blue (basophilic ) with ...

The egg of Taenia spp

The eggs of Taenia spp. are indistinguishable from each other, as well as from other members of the Taeniidae. The eggs measure 30-35 micrometers in diameter and are radially-striated. ...

Staphylococcus – Coagulase test

Coagulase is an enzyme that catalyzes the formation of a fibrin clot in plasma. Obvious clumping of the bacteria indicates the bacteria produces bound caogulase. Staphylococcus aureus ...

Smudge Cells

are remnants of cells that lack any identifiable cytoplasmic membrane or nuclear structure. Smudge cells, also called basket cells, are most often associated with abnormally fragile ...

Granular starch

Granular starch is used as powder on surgical and exam gloves. These granules are commonly encountered as contaminants not only in urine sediments, but also in cytology smears of various ...

artifact in wet mount stool examination

on the Left , an amoebic trophozoite. Right, a squamous epithelial cell with angular appearance, resulting from desquamation of the anal epithelium. Note in these two cells the different ...

waxy casts in urine

Waxy casts have a smooth consistency but are more refractile and therefore easier to see in a regular wet sediment preparation of urine compared to hyaline casts. They commonly have ...

Streptococcus-Optochin Sensitivity Testing

Optochin (ethylhydrocupreine hydrochloride), a quinine derivative, has a detergent-like action and causes selective lysis of pneumococci. A sterile disk impregnated with optochin ...

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 ...

Schistosoma japonicum eggs

The eggs of Schistosoma japonicum are large and more rounded than other species, measuring 70-100 µm long by 55-64 µm wide. The spine on S. japonicum eggs is smaller and less conspicuous ...

Thalassemia

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 ...
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