Introduction The periodic acid Schiff (PAS) stain assay is a histochemical stain used to identify carbohydrates, including glycogen, mucopolysaccharides, and basement membranes. It is a simple and inexpensive stain that is widely used in pathology laboratories to...
Introduction The activated partial thromboplastin time (aPTT) blood test measures how long it takes for a blood clot to form. It is one of the most common blood tests performed, and it is used to diagnose and monitor a variety of bleeding and clotting disorders. The...
Introduction The prothrombin time (PT) test is a blood test that measures how long it takes for a blood clot to form. It is one of the most common blood tests performed in the world, and it is used to diagnose and monitor a variety of bleeding and clotting disorders....
Introduction The Erythrocyte Sedimentation Rate (ESR) test, also known as the sed rate or Westergren test, is a non-specific blood test that measures the rate at which red blood cells (RBCs) settle at the bottom of a tube. It is a simple and inexpensive test that can...
Introduction Brilliant Cresyl Blue (BCB) or new methylene blue (NMB) stains are also known as supravital stains. These stains are commonly used to stain reticulocytes, Heinz bodies or H inclusions. Enumeration of reticulocytes is a simple technique to assess bone...
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