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).
hemi, semi & demi. These ROOT-WORDS are Prefixes HEMI, DEMI & SEMI meaning HALF. However, there is a difference in the interpretation which each one has of the word. When we say HEMIsphere we donât really mean half of the sphere, we mean one side, right side or left side. When we say DEMI we mean less or not quite, as DEMImillionaire.