This is a transient, physiological change caused by the release of adrenaline,leading to the rapid shift of cells from the marginating pool into the circulating pool. This is most often seen in young excitable cats. There is leucocytosis with neutrophilia, often with lymphocytosis. | This is a transient, physiological change caused by the release of adrenaline,leading to the rapid shift of cells from the marginating pool into the circulating pool. This is most often seen in young excitable cats. There is leucocytosis with neutrophilia, often with lymphocytosis. |