plasma
Anticoagulants
Anticoagulants are chemical substances that can prevent blood coagulation. they are considered as chemical preservative for whole blood sample, as it preserve the blood in a state similar to that find inside the body. There are different types of anticoagulants, as Ethylene Diamine Tetraacetic Acid (EDTA), Heparin, Sodium citrate, Potassium and ammonium oxalate mixture and … Read more
Components of blood
Blood is composed of two parts: fluid part and cellular part. The fluid part is called the plasma, in which the cells, nutrients and blood gases circulate. The cellular part composed of red blood cells (RBCs), white blood cells (WBCs) or leucocytes and platelets. The fluid part (plasma) The plasma constitute about 55-65% from the … Read more
Packed Cell Volume (PCV)
DefinitionPacked cells volume (PCV) or Hematocrit, is defined as the percent of blood occupied by RBCs, or simply you can define PCV as the percent of RBCS in whole blood. To measure PCV, the RBCS must be packed together in one layer, which can be achieved by centrifugation of whole blood sample. it is … Read more