A Howell Jolly body is seen in one red cell (A). Also present are two nucleated red blood cells (B). Nucleated red blood cells (NRBCs): they may look at fist similar to small mature ...

Eosinophilic myelocyte (left) and two neutrophilic myelocytes

Desoxycholate Citrate Agar is ideal for the investigation of pathogenic enterobacteria. The gram-positive organisms are totally inhibited by the sodium citrate and sodium desoxycholate. ...

XLD agar is a selective growth medium used in the isolation of Salmonella and Shigella species from clinical samples. Salmonellae metabolise thiosulfate to produce hydrogen sulfide, ...

Quellung Test is an increase in the opacity and visibility of the capsule of encapsulated organisms resulting from exposure to specific, agglutinating, anticapsular antibodies. This ...

Inulin Fermentation Test: this test is useful to differentiate Pneumococci from Streptcocci as the latter do not ferment Inulin sugar while Pneumococci do ferment it.

Decreased RBC size and Hemoglobin content (MCH) and concentration (MCHC) and increased central zone of pallor for more than the third of cell diameter. Microcytic Hypochromic Anemia ...

Shape: Biconcave disc. Diameter : 7 ~ 8 μm. Central pallor occupy 1/3 rd of total cell diameter. Size : approx. same as nucleus of mature small lymphocyte.

Fluorochromes are certain dyes that give off light when excited, and this is called Fluorescence and the color of light depends on the dye and the filters used with the fluorescent ...

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Mycobacterium tuberculosis to grow end to end giving them a rope or cord-like appearance when viewed on a stained slide through a microscope.

If definite Acid Fast Bacilli are seen, report it as AFB positive. But, it is better to report the result quantitatively as follows: > 10 AFB/high power field                ...