count
RBCs count
There are two methods for counting RBCs; 1) Automated method through the electronic blood cells counter. 2) Manual method using the hemocytometer. Electronic counter is more accurate than the hemocytometer method. The electronic counter is expensive, needs periodical maintenance. Maintenance of blood counter is very important; failure to do that will result in misleading results. … Read more
Hemoglobin concentration
Hemoglobin (Hb) is the red pigment that contained in the RBCs, its major function is to bind oxygen and transport it to the tissues and to bind CO2 and carry it back from the tissues to the lungs. Hemoglobin has the same life span of the RBCs, after the engulfing of old RBCs by the … Read more
White blood cells (WBCs) count
4 4SharesWhite blood cells (WBCs) count There are six types of white blood cells circulates in the blood circulation, which are Neutrophils, lymphocytes, eosinophils, basophils, monocytes and band cells. White blood cells count is an integral part of complete blood count (CBC), and include two main components: 1- White blood cells count. 2- Differential leucocytes count. … Read more
Morphological examination of erythrocytes
All parameters of the erythrocyte picture can be determined using a blood cell counter, except assessing the morphological appearance of the RBCs, which must be evaluated using blood smear. This means, that both electronic blood cell count and blood smear are required to perform the erythrocyte picture. Morphological examination of erythrocytes is carried out by … Read more
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 blood vessels. Life span of the erythrocytes The lifespan of the erythrocytes in human is varied from 90-120 days,. However, in animals the lifespan varies according to the animal species (in cattle 150 days, in … Read more