Prefixes

a-, an-

Not; Without Ex: Anaerobic- without oxygen

anti-

Against Ex: antibacterial- works against bacteria

Brady-

slow Ex: bradycardia- slow heart rate

tachy-

Fast Ex: tachycardia- fast heart rate

Hyper-

above; excessive Ex: hyperactive- excessive activity

hypo-

below; deficient Ex: hypothermia- body temp below normal

Intra-

within Ex: IV (intravenous)- within the vein

inter-

between Ex: intercostal- between ribs

epi-

Above; upon Ex: epidermis- layer of skin above dermis

endo-

inside; within Ex: endocytosis- with the cell

peri-

around Ex: perimeter- around the location

poly-

many Ex: polysaccharides- many sugar

mono-

One Ex: monolingual- one language

dys-

Bad; difficult; painful Ex: dyslexia- difficulty processing language

pre-

Before Ex: premature- born before your due date

post

After Ex: postoperative- time after the surgery