The process by which they enter tissues is called diapedesis.
The process by which they enter tissues is called diapedesis. Their progenitor cells include band cells and myelocytes. Less than one percent of them release the anti-clotting protein heparin, while the most common form of them are sometimes known as PMNs and secrete lysozymes. In addition to basophils and neutrophils, they also include eosinophils, monocytes, and lymphocytes. For 10 points, name this only class of blood cells to contain nuclei, a major part of the immune system.
The process by which they enter tissues is called diapedesis.
{white} blood cells [or {leukocytes}]