neutrophilia

An increase in the number of neutrophils in the blood.

• inflammatory n. — see true neutrophilia (below).
• physiological n. — see pseudo-neutrophilia (below).
• pseudo-n. — one caused by a shift of neutrophils from the marginal pool to the circulating pool; there is no real increase in the total number of neutrophils. It is seen with stress and exercise.
• stress n. — see pseudo-neutrophilia (above).
• true n. — one in which there is an increase in the total blood granulocyte pool. It is seen in chronic infection.