What is Anti-streptolysin O ?
Anti-streptolysin O (ASO or ASLO) is the antibody made against streptolysin O, an immunogenic, oxygen-labile hemolytic toxin produced by most strains ...
Megakaryoblast :It’s is a precursor cell , which in turn becomes a megakaryocyte during haematopoiesis. It is the beginning of the thrombocytic series.
Size: 7 – 35 ...
Serotyping of Streptococcus called Lancefield grouping, and it classify streptococcus bacteria based on antigens found on their cell walls.
PYRase Test is colorimetric enzymatic test for detection of pyrrolidonyl peptidase (PYRase), an enzyme produced by all common species of Enterococci and 98% strains of S. pyogenes. ...
Antibody Structure , IgM + IgG + IgA
The gray platelet syndrome (GPS) is a rare inherited disorder characterized by mild to moderate bleeding tendency, moderate thrombocytopenia, and a marked decrease or absence of platelet ...
Basophils contain large cytoplasmic granules which obscure the cell nucleus under the microscope.
Basophils contain anticoagulant heparin, which prevents blood from clotting too ...
Size: 1.5 – 3 µm in diameter
Nucleus: absent
Cytoplasma: pale blue + purple granules
Platelet Count in blood: (150–450)×10^9/L
The best way to memorize urease positive organisms is using the pnemonic ‘PUNCH’
P-Proteus
U-Ureaplasma
N-Nocardia
C-Cryptococcus
H-Helicobacter
Pseudothrombocytopenia (PTP) is defined by falsely low platelet counts on automated analyzers and is caused by in vitro phenomena including large platelet aggregates in blood samples.
Lactose-fermenter and produces pink mucoid colonies