Haemophilus influenzae

  Haemophilus influenzae is a non-motile Gram-negative, coccobacillary, facultatively anaerobic bacterium, and it’s Oxidase and Catalase postive. It was mistakenly considered ...

False urine dipstick results duo to strong oxidizing agent

  This patient had a Urinalysis, the dipstick results were as follow: Glucose – 100 mg/dL Bilirubin – neg Ketone – neg Specific Gravity – 1.010 Blood – ...

Erythrocytes and Granulocytes Functions

  Erythrocyte: Usually biconcave and circular outline, devoid of a nucleus. Number in man varies between 5 and 5.5 million per cubic mm of blood. Erythrocytes carry oxygen from ...

Neisseria gonorrhoeae in electron microscope

  Neisseria gonorrhoeae diplococcus by electron microscope , notice capsule and many pili on surface , those pili enable the bacteria to adhere to human cells.

Hippuric Acid Crystals

  Hippuric Acid crystals are rarely seen – yellow-brown or colorless elongated prisms or plates and maybe so thin to resemble needles and they often cluster together it’s ...

Fungi Hyphae

hyphae (the plural from hypha) is a long, branching filamentous structure of a fungus and also found in  Actinobacteria. hyphae are collectively together called a mycelium A ...

Ammonium biurate Crystals

  Appearance: Ammonium biurate crystals are yellowish-brown and can be seen in a “thorn apple” shape (round with thorny projections) or in spherical form. Chemical ...

Platelet Clumping or Aggregation

the clump of platelets on peripheral blood smear are usually duo to poorly anticoagulated blood or In vitro artifact caused by EDTA or cold and leads to false low platelet count.

Streptococcus Classification based on blood hemolysis

 

Stool Analysis Artifacts

Aspergillus flavus under microscope

 

MegaKaryocyte Morphology

  Megakaryocytes are among the largest cells in the bone marrow. The nuclei generally have multiple lobes, and the cytoplasm is granular. Occasionally platelets can be seen “budding” ...
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