All the white blood cells are able to move like an amoeba, and can migrate out of blood vessels into the surrounding tissues. Note-it is easy to confuse the different leucocytes in blood smears. To identify them, you need to look for the shape of the nucleus, and compare their size, relative to that of a red blood cell.
peri-. a prefix meaning âabout,â âaroundâ (perimeter; periscope), âenclosing,â âsurroundingâ (pericardium), ânearâ (perigee; perihelion).
A prefix is a letter or a group of letters attached to the beginning of a word that partly indicates its meaning. For example, the word prefix itself begins with a prefix-- pre- , which generally means before..Understanding the meanings of the common prefixes can help us deduce the meanings of new words that we encounter. But be careful: some prefixes (such as in-) have more than one meaning (in this case, not and into).ommon Prefixes With Definitions and Examples. The prefix uni-means one, as in unicorn (literally one horn), unison (one sound), and uniform (one shape). (PraxisPhotography/Getty Images).