Polymorphs in blood refer to polymorphonuclear leukocytes (PMNs), which are a type of white blood cell (WBC) that includes neutrophils, eosinophils, basophils, and mast cells. PMNs are a subtype of leukocytes that protect the body against infectious organisms and play a central role in the innate immune system. In normal conditions, the most common PMN is the neutrophil, which makes up the most significant amount of blood cells produced by the bone marrow and is the first line of defense in protecting the body from infection.

A high polymorph count in the blood indicates that there is an increased number of neutrophils in the blood, which can be caused by bacterial infections, inflammation, or stress. A high polymorph count in the blood means that there are infections in the body.

It is important to note that a high polymorph count in the blood is not a diagnosis, and further testing may be required to determine the underlying cause of the increase in neutrophils.