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                ...

This is gram stain of sputum specimen taken from patient with cystic fibrosis: notice the white blood cells and the encapsulated gram negative rods.

Gram stain smear of sputum specimen, notice neutrophils and streptococcus pneumoniae diplococci

This is a gram stain smear of wound infection, notice the gram positive cocci and neutrophils.

Negri bodies are pathogenic inclusions in the cytoplasm of neurons infected by the rabies virus.

Buffered Charcoal Yeast Extract Agar (BYCE Agar) is For the isolation, cultivation, and maintenance of Legionella pneumophila and other Legionella species from environmental and clinical ...

Adult female scabies mite with egg containing embryo within the epidermis.

SLE bright red and sharply defined erythema is seen with slight edema and minimal scaling in a “butterfly pattern” on the face. Note also that the patient is female and ...

Kayser Fleischer ring in Wilson’s Disease is corneal ring with golden brown color and contrasted clearly against a gray-blue iris. Note that the darkness of the ring increases ...