Anticoagulants
Anticoagulants are chemical substances that can prevent blood coagulation. they are considered as chemical preservative for whole blood sample, as…
Basics of hematological analysis (Complete blood count)
Prof. Mahmoud Rushdi (Assiut University-Egypt) Hematological analysis is concerned with the analysis of the cellular component of blood including tests…
Components of blood
Blood is composed of two parts: fluid part and cellular part. The fluid part is called the plasma, in which…
Erythrocytes Sedimentation Rate
Definition: It is defined as the rate of sedimentation of erythrocytes in a column of anti-coagulated blood at a certain…
Morphological examination of erythrocytes
All parameters of the erythrocyte picture can be determined using a blood cell counter, except assessing the morphological appearance of…
Packed Cell Volume (PCV)
DefinitionPacked cells volume (PCV) or Hematocrit, is defined as the percent of blood occupied by RBCs, or simply you can…
Physiological Factors affecting the RBCs count
The circulating red blood cells (RBCs) are produced by the bone marrow, stored in the spleen and circulate in the…