8 definitions of MU. Definition of MU in Business & Finance. What does MU stand for?
A diagram showing different types of white blood cells, including monocytes. Monocytes can be counted as part of a diagnostic blood test. It's important for patients to discuss the results of their monocytes blood test with their doctor. Macrophages promote tissue growth and repair following an injury. Stress may cause a high monocyte count.
Causes of an Elevated White Blood Cell Count Photo Credit: fotoquique/iStock/Getty Images White blood cells (WBCs) are the foot soldiers of the immune system. They help fight infections, limit injury from other harmful substances, and initiate healing if tissue damage occurs.