What is "anisochromasia"

n. Non-uniform coloration of erythrocytes, caused by a non-uniform distribution of hemoglobin within them.

Anisochromasia or anisochromia is the non-uniform color of erythrocytes caused by a non-uniform distribution of hemoglobin in them. Slight anisochromasia is normal due to the biconcave shape of erythrocytes; if excessive, it can point to forms of anemia that are caused by a deficiency of iron.