Anemia is a disorder in which the patient suffers some degree of tissue hypoxia as a consequence of decreased oxygen carrying capacity of blood. It is defined as a decrease to below normal of erythrocyte numbers and/or hemoglobin concentration per unit volume of blood.
Ledet, A. E.
"A Systematic Approach to the Diagnosis and Pathyphysiologic Classification of Anemias,"
Iowa State University Veterinarian: Vol. 35
, Article 5.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol35/iss3/5