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).
Epi- definition, a prefix occurring in loanwords from Greek, where it meant âupon,â âon,â âover,â ânear,â âat,â âbefore,â âafterâ (epicedium; epidermis; epigene; epitome); on this model, used in the formation of new compound words (epicardium; epinephrine). See more.