knizocytes a specific shapes of erythrocytes
The term knizocyte describes a specific shape form of erythrocytes that deviates from the standard form. These cells have two concavities instead of the one seen with normal erythrocytes. ...
Klebsiella pneumoniae on Cystine Lactose Electrolyte Deficient Agar (C.L.E.D Agar)
Klebsiella pneumoniae on Cystine Lactose Electrolyte Deficient Agar (C.L.E.D Agar):
Klebsiella colonies appear Large, yellow or yellowish-white.
Highly mucoid and elevated.
Bromothymol ...
Virus Structure
* ENVELOPE : outer covering , made of protein.
* CAPSID : capsule made of protein. Encloses nucleic acid.
* Viral Proteins : as spikes on surface.
*Virus Genome : is either ...
Pseudomonas aeruginosa on blood agar
Pseudomonas aeruginosa, an increasingly prevalent opportunistic human pathogen, is the most common Gram-negative bacterium found in nosocomial, or hospital-acquired infections. This ...
rouleaux formation
The RBC’s here have stacked together in long chains. This is known as “rouleaux formation” and it happens with increased serum proteins, particularly fibrinogen and ...
Cyst of an E. hartmanni
Cysts of Entamoeba hartmanni are similar to those of E. histolytica but smaller, measuring 5-10 µm.
Mature cysts contain four nuclei that possess a small, discrete centrally-located ...
E. Gingivalis trophozoite
E. Gingivalis trophozoite, Trichrome-stained.
Looks like Entamoeba histolytica.
Ingested leukocytes in cytoplasm is its distinct character.
hypochromic microcytic anemia
Note the larger zones of central pallor in these small RBCs, along with poikilocytosis. The most common cause for a hypochromic microcytic anemia is iron deficiency. The most common ...
CBC of microangiopathic hemolytic anemia
The CBC of a patient with microangiopathic hemolytic anemia (MAHA) demonstrates a markedly increased RDW (red cell distribution width) due to the marked variation in size and shape ...
Fungemia
Fungemia is the presence of fungi or yeasts in the blood. The most common type, known as Candidemia which caused by Candida species.
It is most commonly seen in immunosuppressed or ...
Microcytosis
The term ‘microcytosis’ means small red cells. The three main causes are iron deficiency, some cases of the anemia of chronic disease, and the thalassemia syndromes. Sideroblastic ...
CBC with megaloblastic anemia
CBC with megaloblastic anemia
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The CBC here shows a markedly increased MCV, typical for megaloblastic anemia.
The MCV can be mildly increased in persons recovering ...
