Anemia:

• It may be defined as decrease in quantity of hemoglobin or number of erythrocytes or both per unit volume of blood.
• It is characterized clinically by pale mucus membrane, tachycardia and loss of muscular strength and vigour.

Classification of anemia:

Anemia are classified based on following categories;

1. According to morphology
2. According to response
3. According to etiology/patho-physiologic mechanism